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I m p r o v i n g I A Q a t l e s s c o s t

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2 Keeping the cost of clean air down

The bottom line impact of the right filters

Total filter management for buildings

Shanghai Seminar on IAQ and SARS

E D I T O R I A L

Steady progress,steady growth

As the world leader in air filtration products, Camfil Farr’s strategy is to

establish itself as a global and local supplier in different geographical

regions. As a global player, we can adapt to cyclical fluctuations in

business and concentrate our efforts on expansion in growth areas

while boosting efficiency, improving products and strengthening

customer alliances in other areas where the economy has temporarily

slowed.

Our core European filter business has been increasing on the whole

this year, despite some slight declines in countries affected by the

general economic downturn. While we have been focusing on our

efficiency in this region, we have continued to expand in the Asia-Pacific

region, where sales growth has been double-digit for us. Our Asian

marketing organisation is now bigger, enabling us to make optimum

use, for example, of our new production facility in Shanghai and two

plants in Malaysia.

And in North America and other markets, major initiatives are under

way to develop products and markets.

As you can read inside, helping customers to save costs while

improving IAQ is the theme of this AirMail. This is illustrated by a

number of articles that describe how our sales reps are using effective

sales tools, such as in-situ tests combined with LCC Analysis, and our

Mobile Media Tester, to demonstrate how our products actually save

money over time for our customers.

By the way – don’t hesitate to contact your closest Camfil Farr

company to find out more about these products!

Pleasant reading as you tour Camfil Farr’s global markets.

Alan O’Connell

President and CEO

Keeping the cost ofclean air down

2 A I R M A I L 2 - 2 0 0 3

In North America and six European countries the

summer of 2003 might be remembered for its noto-

rious power outages that brought energy supply

issues and concerns once again to the fore.

These electricity problems shut down power

plants and paralysed entire geographic regions and

major cities. Governments are now contemplating

ways to upgrade aging power grids and their efforts

will definitely be needed, since energy consumption

is projected to increase almost 60 percent world-

wide up to 2025.

While concentrating on the reliability of their

energy supplies, governments will also have to

focus on energy conservation. No relief from volatile

global oil prices seems unlikely in the near future.

Meanwhile, measures to reduce the power

consumption of end-users are a “powerful” alterna-

tive to new or increased electrical production. For

example, much energy can be saved in commercial

and residential buildings, where heating ventilation

and air conditioning (HVAC) systems account for

40-60 percent of the power bill.

Camfil Farr has always been a champion of energy

conservation in HVAC systems. The company has

also pioneered computer software for life cycle cost

(LCC) calculations that offer proof positive that

Camfil Farr air filters cut energy costs in HVAC

systems.

Balancing energy costs with IAQ

The requirements for conserving energy and reduc-

ing life cycle costs (LCC) have increased consider-

ably at the same time as demands for a better

indoor climate and higher productivity. Air ventilation

systems often consume the lion’s share of a build-

ing’s energy and the pressure drop in air filters can

account for a large portion of the total pressure

drop.

“Effective air filters can contribute to better

Indoor Air Quality (IAQ) and it is important that they

are selected on the basis of their efficiency and

LCC,” says Camfil Farr’s Technical Director, Jan

Gustavsson. “However, a number of filters are used

for different applications, air flows and sizes in

different environments, making it difficult and very

time consuming to calculate the most economical

operating scenario.

"Purchasing a low-price system or inexpensive

equipment to save on investment costs can turn out

to be a costly venture later when it comes to opera-

tion and maintenance. Thus, when dimensioning a

system or individual equipment, it is important to

take its entire operating life into consideration.”

Camfil Farr has developed computer software

to calculate the life cycle costs of air filters for this

purpose. Based on experience to date, users and

designers of air handling systems have found the

program to be of valuable assistance when it comes

to managing the difficult task of selecting filters for

optimum LCC.

Minimises operating costs

A life cycle cost analysis (LCC) for air filters is a

valuable and useful tool for users to minimise oper-

ating costs for an installation. An analysis of this

type normally goes hand-in-hand with a life cycle

assessment (LCA).

The energy costs for air filters is the most

dominant aspect of an LCC calculation. To achieve

the lowest possible costs, and the best contribution

to reduce global climate change, filters with a low

pressure drop, low pressure drop increase and low

final pressure drop should be used.

However, it should be kept in mind that an

efficient filter (minimum F7) should always be used

in order not to endanger the indoor environment.

Right filters can save up to 30%

The optimum energy-efficient HVAC design naturally

takes into account all interrelated building systems

while addressing indoor air quality (IAQ), energy con-

sumption and environmental benefits. However,

most people do not realise how savings can be

achieved by having the right filter solution in the

HVAC system.

The cost of a filter solution is more than just the

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purchase price of the actual filter. Installing a well-

designed filter solution can actually save up to 30%

of the energy costs of a filtration system.

Selecting the correct filter solution keeps the

cost of clean air. The use of high-quality filters, such

as Camfil Farr’s Hi-Flo, can conserve energy without

compromising IAQ. Hi-Flo, is considered to be most

cost-effective and energy-efficient air filter on the

market, as proved by an independent scientific test

in Sweden conducted by Nutek, the Swedish National

Board for Industrial and Technical Development (see

AirMail 2-97).

All Camfil Farr products are recognised for their

low LCC and high quality.

Calculation example

Using the right air filters in a HVAC system is impor-

tant primarily to ensure good IAQ in the working

environment but also to reduce operating costs. The

right filter can save a substantial amount of money

and also reduce the environmental impact of the

HVAC system.

“We want to prove to our customers that good

quality air and a good indoor climate are a long-term

investment. By selecting the right filters of high qual-

ity from the start, operating costs will be radically

lower for the entire life cycle of the HVAC system,”

says Ulf Johansson at Camfil Farr’s R&D Department

in Trosa, Sweden.

The Camfil Farr Life Cycle Cost analysis, a use-

ful tool available to all customers, documents the

total cost of ownership of a filter. The software takes

into account system variables like overall energy,

purchase and maintenance costs of the filter solution.

LCC calculations, based on Eurovent/Cecomaf

recommendations, can clearly show that the choice

of filter will be crucial for energy consumption. In

some cases, power costs can be cut up to 50

percent by selecting a higher priced, but more

efficient filter.

The table below compares two identical ventilation

systems used in an urban environment with different

F7 filters. Each system has three filters and treats

2.8* m3/s of outdoor air.

The calculations are based on an interest rate of

6 percent and a ten-year operating period. The energy

cost for the first system (with smaller filter area) is

approximately 40% higher than the second system,

since the average pressure drop for system 1 is

higher, resulting in higher power consumption.

For further information ask for a copy of the

Filtration & Separation article (Oct. 2002) “Air filters

and LCC” by Camfil Farr Technical Director Jan

Gustavsson. Your local Camfil Farr representative

can also demonstrate the LCC program.

FILTER SYSTEM 1 FILTER SYSTEM 2

Filter area/filter 4.6 m2 9.3 m2

Price/filter EUR 35 EUR 61

Total filter cost

(replacement) EUR 1,828 EUR 806

Labour cost,

including disposal EUR 534 EUR 111

Energy cost** EUR 1,811 EUR 1,293

Total LCC EUR 4,173 EUR 2,210

H I - F L O M 7

Ulf Johansson, R&D, Camfil Farr.

*Calculated with a constant air volume of 2.8 m3/s, 4,000 operating hours/year and 250 Pa final pressure drop.

** Energy price of EUR 0.06/kWh.

4 A I R M A I L 2 - 2 0 0 3

Innovative sales tools are showing customers in the

U.S. the benefits of using Camfil Farr products, such

as longer filter life, reduced power consumption and

a lower life cycle cost (LCC). With tools like in-situ

testing, LCC Analysis, the Mobile Media Tester and

Web-based Facility Surveys, sales reps can clearly

show the bottom-line impact and value of Camfil Farr

filtration products.

In-situ test at Sandia: fine glass-fibre media outperforms chargedsynthetic media

In the U.S., Camfil Farr recently conducted an in-situ

filter test for Sandia National Laboratories in New

Mexico. The initial filter test compared two identical

air handling units – one equipped with Camfil Farr

Hi-Flo® 85 (MERV 13) fine glass-fibre media filters,

the other with equivalent filters from a competitor,

but with electrostatically charged synthetic media.

Tested after only one day of operation, the effi-

ciency of the charged media fibre filters was only

42 percent on particles 0.4 micron in size. After

four more weeks of operation, the performance

decreased another 8 percentage points to 34 per-

cent, with an additional 8 point loss in the second

month. After eight weeks, the synthetic media filters

were delivering only 26 percent efficiency in critical

sub-micron size particle ranges.

With a published initial efficiency of 60-65

percent on 0.4 micron size particles, the Camfil Farr

glass media filters were 62 percent efficient at the

start of the test. However, the glass media filters

experienced a slight gain in efficiency over time on

0.4 micron size particles – more than double the

efficiency of the competitor’s filters.

Although in-situ testing was originally scheduled

to run 6-12 months, the customer’s representative

called off the test after just eight weeks and was

convinced he would never use electrostatically

charged filters at Sandia again. Now Sandia has

switched to Camfil Farr products.

Glass-to-glass test

Sandia then asked Camfil Farr for a “glass-to-glass”

test comparing Hi-Flo 85 filters with a competitor’s

glass media bag filters. The competitor’s product

actually had a slight advantage, in that each filter

had ten pockets vs. nine in Hi-Flo, resulting in extra

media area.

Even with fewer pockets, the Hi-Flo filters out-

paced the competitive product in both pressure drop

performance and efficiency. In the unit equipped with

Hi-Flo, initial pressure drop was only 0.49” w.g., and

D E M O N S T R AT I N G T H E B E N E F I T S

Seeing the bottom-lineimpact of the right filter selection

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How do you convince customers that your products are “the best”? Sales

tools such as Camfil Farr’s Mobile Media Tester (MMT) offer proof in place of

unsupported claims.

Several distributors in the U.S. are using Camfil Farr’s MMT to perform

efficiency analyses that compare synthetic media to glass fibre media at

customer locations. These analyses are preceded by presentations explaining the

importance of adequate filtration and what the Environmental Protection Agency

(EPA), ASHRAE and Camfil Farr are all doing about this issue.

The MMT is the first-of-a-kind mobile test system that analyses the efficiency

of MERV 12-MERV 16 filtration media. Using media samples from new and used

air filters, the MMT measures filter efficiency over time.

Most important, it provides proof of the significant efficiency drop-offs that

occur with coarse fibre synthetic media filters, due to charge decay that can start

compromising performance early on. The MMT accurately predicts filter perfor-

mance through a discharging step that simulates loading of media during normal

HVAC service.

“The MMT shows problems with charged media filters,” says Jeff Taylor,

Camfil Farr's regional sales manager for the Eastern states in the U.S. “When

customers see the test performed, they become completely convinced.”

A large educational institution in the U.S. Northeast is in the process of con-

verting from charged filters to Camfil Farr products as a result of two MMT

demonstrations – one to facilities people, the other to senior management.

“At our request, the customer provided samples of new and used charged

media air filters from their system. The new filter tested right on target at

74 percent efficiency at 0.4 micron. However, a six-month-old used filter tested

at only 20 percent efficiency at 0.4 micron – a huge loss in performance.”

Thus, tests with the MMT allow customers to select filters based on testing

rather than guesswork.

efficiency was 63 percent at 0.4 micron. In the com-

petitor’s unit, the corresponding figures were 0.86”

w.g. and only 52 percent.

Lower LCC cost

The difference in results was attributed to the

Controlled Media Spacing (CMS) design of the Hi-Flo

filter, a proprietary feature that accounts for the

lower pressure drop. Another important factor was

Camfil Farr’s custom media formulation.

By switching from synthetic charged media

filters to the Hi-Flo, Sandia can now look forward to

longer filter life, reduced energy requirements and

lower life-cycle costs. In addition, the laboratory has

eliminated previous IAQ problems encountered with

synthetic media filters.

Combining in-situ tests with LCCanalysis

Camfil Farr recently completed another in-situ test

coupled with an LCC Analysis for a large manufac-

turing company in the U.S. West. The purpose was to

compare Camfil Farr Durafil™ 95 (MERV 14) filters

and 30/30® prefilters with less costly products from

a competitor – MERV 14 filters using charged

synthetic media, and a low-cost pleated filter.

“On an indoor air application, the initial cost for

the Camfil Farr products was higher per air handler

than the competitive filters used by the customer,”

says Danja McMillan, regional sales manager for the

Mountain South area.

“But by using the LCC program, which provided

a 20-year cost projection that incorporated energy

and maintenance costs, filter replacement cycles,

duct cleaning and other factors, we could prove that

the customer would actually save more than USD

5,000 per air handler per year with our ‘expensive’

filters.”

On an outdoor application using the same filters,

the Camfil Farr products, again, cost more per air

handler. However, the LCC Analysis provided a very

different cost picture. By switching from charged

media filters to Durafil glass media filters, the

customer stood to save an estimated USD 11,000

per air handler per year.

When the customer combined the total number

of indoor and outdoor air handlers at the production

plant, the annual projected savings were several

hundred thousand dollars with Camfil Farr products.

In-situ tests combined with LCC Analysis are an

effective way to show how Camfil Farr products,

despite their higher initial cost, actually save money

over time.

Taking the guesswork

out of filter selection with MMT

6 A I R M A I L 2 - 2 0 0 3

Camfil Farr's Mobile Media Tester.

‘High-level’ contract

The tapering twin Petronas Towers in Kuala Lumpur

are a spectacular sight. The commercial office

towers are 88 stories high and connected by a sky

bridge. Camfil Farr, with two production plants in

Malaysia, was recently awarded a new two-year

contract for supplying 30/30, Hi-Flo and Riga-Flo air

filters for the towers’ huge air handling systems. The

contract also covers training for the buildings’ main-

tenance staff and system audits by Camfil Farr to

optimise air filtration.

A ‘clean-air’ port story

In Germany, Camfil Farr has successfully applied its

TFM concept at Frankfurt airport for more than ten

years. It all began with the introduction of the F7/F7

filter concept in 1992, which cut costs sharply for

the airport’s air handling systems and resulted in the

first contract for Frankfurt’s Airport Centre.

In 1996, Camfil Farr Germany won a total filter

service contract for Terminal 2. The company’s ser-

vice team equips all 250 air filtration systems with

Hi-Flo MG 85 (F7) filters that clean 9.5 million m3

of air per hour. The filter management contract

includes monitoring and maintenance activities of all

AHUs and the terminal humidifiers.

Due to the substantial savings achieved with

Hi-Flo MG 85s (F7) at Terminal 2, the contract was

extended in 2003 to include Terminal 1.

“Today, we supervise and manage more than

1,600 air filtration systems at Frankfurt Airport,

which covers a 15 km2 area,” says Dirk Lauderbach

at Camfil Farr Germany. “All filter systems are

inspected four times a year. Filters are replaced in

accordance with the VDI 6022 standard, in which

prefilters are changed every year and second-stage

filters every other year.”

Computer software was also specially devel-

oped for this maintenance contract to store and

process all operating, service and planning data.

TFM forbuildingsCamfil Farr filters are recognised for keeping life cycle costs for filter installations as low as possible by

retaining their full efficiency throughout their life cycle.

Camfil Farr helps deliver fresh clean air to every kind of indoor environment throughout the world. In

the Comfort Air product range, we are market leaders and one of the biggest players globally. You can

find our filters and clean air solutions in hospitals, offices, buildings, museums and airports.

We can also take care of entire air filtration systems, providing consultation, planning, maintenance,

service and even disposal of used filters, all based on Total Filter Management (TFM) concept. Some

examples:

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Independent test convincesInfraCity

InfraCity is a large hotel, business park and shopping

complex just south of Stockholm’s Arlanda Airport.

When the centre was finished in 1990, the building

management company was faced with choosing a

filter supplier for InfraCity’s air handling systems. The

question was how to provide the cleanest, most

comfortable air to the centre’s wide variety of

tenants at the lowest possible cost.

In consultation with its HVAC consultant, building

technician Holger Olme commissioned an indepen-

dent test of different filter brands. After the results

were evaluated, Camfil Farr filters emerged as the

preferred choice.

For the past 13 years, more than 1,000 Hi-Flos

and other filters have been used at InfraCity yearly.

Camfil Farr also services the filters and takes care of

the disposal of used filters.

Ermator of Sweden is recognised for high-efficiency dust extraction equipment, such as the company’s A25,

A100 and A300 series of mobile air cleaners, which efficiently remove large amounts of very light and

hazardous airborne particles during dust-producing operations. For long service life and high filtration

capacity, Ermator equips these air cleaners with Camfil Farr Absolute filters with filtration areas ranging from

4.7 m2 up to 22 m2.

These filters are used in either the second or third cleaning stage, depending on the model. Efficiency is

99.996% on 0.3 micron particles, making the air cleaners perfect for dust extraction at construction sites and

other workplaces for safety and comfort.

8 A I R M A I L 2 - 2 0 0 3

Absolute doctor ofdust extraction

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After the spread of the SARS epidemic, the role of

air filtration and possible effects of poor indoor air

quality (IAQ) have become hot topics in Asia. To

meet the growing demand for more information,

Wang Xiaobing, air filtration specialist at Camfil Farr

China, recently arranged a seminar focusing on

indoor pollution control.

The primary way that SARS spreads is by close

person-to-person contact. Most cases of SARS have

involved people who took care of, or lived with,

someone infected with the disease, or had direct

contact with infectious material from a person with

SARS. The size of the SARS virus is approximately

0.1 micrometer and the MPPS values of Camfil

Farr’s HEPA and ULPA filters are between 0.1-0.15

micrometer.

Camfil Farr’s filtration recommendations are:

• HEPA class filters for exhaust air from risk zones.

• Two-stage filtration for inlet air – preferably F7

(MERV 14) filters for the first stage and F9 (MERV

15) for the second.

Camfil Farr also recommends to locate the air

inlet and exhaust in a way that prevents cross-

contamination.

Indoor pollution worse than outdoor in China

“The Standardisation Association of China reports

that 68% of diseases are caused by indoor air

pollution, which is five to ten times more serious

than outdoor pollution in our country,” says Wang

Xiaobing.

“This pollution consists of respirable particles,

biological particles and gaseous chemicals. It is

widely believed, for example, that outdoor air is

the source of bacteria and viruses. However, HVAC

systems, when dust has a suitable temperature and

humidity, can also be a breeding ground for bacteria

for reproduction and growth. If low-quality air filters

are used with poor efficiency and performance, the

situation becomes worse.”

Correcting misconceptions

At the Camfil Farr Seminar, professors and special-

ists corrected some wrong ideas that developed in

the wake of the SARS epidemic. For example, shut-

ting down air conditioners will not stop the spread of

airborne contaminants and will make IAQ worse.

Furthermore, cleaning of the HVAC system, steril-

isation by spraying bactericide, and treatment with

ultraviolet radiation cannot keep the concentration

of biological particles low in air and will therefore be

ineffective.

It was emphasised that filtration with quality air

filters is the only thorough way to deal with the

problem. High-efficiency filters (see above) should

be used in air handling units (AHUs) instead of anti-

microbial treated air filters, since the effectiveness

of the latter against biological contaminants has yet

to be proven. In addition, “washable” synthetic filters

have very low efficiencies and provide inadequate

protection for the AHU system and people.

Your local Camfil Farr company or representa-

tive can provide more information about filtration

with high efficiency filters.

Poor IAQand SARStheme ofShanghaiseminar

Wang Xiaobing, Sales andMarketing Manager.

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As described in AirMail 1-2002*, Camfil Farr has

developed a mobile rig in a container that is shipped

to the customer's site to test different filters simul-

taneously. These on-site tests eliminate discrepan-

cies in filter tests and allow extremely accurate

comparisons of filters by documenting actual perfor-

mance in the actual application.

At Italian power producer Edison Termo

Electrica, the gas turbine system was operating

poorly. The power plant, producing 110 MW of elec-

tricity for about 110,000 consumers the eastern

region, is located by the sea, in Port Viro, south of

Venice.

Tests monitored from Sweden

When the pressure drop increased considerably in

the turbine system after just half a month, Camfil

Farr was contacted for advice. With the help of the

mobile rig, a test was set up using three Camfil Farr

Cam GT filters as end filters. For comparison, a com-

petitor’s filter was also installed in the rig. Different

filtration approaches were tested over a four-month

period and all tests were monitored over the GSM

network from Sweden.

With the Cam GT as end filters, different

versions of Camfil Farr’s bag filters (G4-F7 according

to EN 779:2002) were tested as pre-filters. After the

four-month period, Camfil Farr's Hi-Flo (F7) proved to

be the best pre-filter in combination with the Cam GT

filters, since it had the lowest pressure drop

increase, which was especially beneficial for pre-

serving the gas turbine’s low energy consumption.

The higher efficiency of the Hi-Flo filter also provided

better corrosion protection.

This successful test proved the benefits of the

right filter combination for the customer and resulted

in a substantial order for filters and filter housings.

A note on Camfil Cam GT

Camfil Cam GT uses wet-laid glass fibre media, which

is ideal for high humidity applications. It features mul-

tiple mini-pleat panels and a patented close-pleat hot

melt construction for optimal performance in wet

conditions. The filter is also recognised for its mini-

mum energy consumption. Available in filter classes

F7, F9 and H10 according to CEN EN 779 and

EN 1822.

*Available in different languages at www.camfilfarr.com

Keeping the pressureup in Edison’s turbines

M O B I L E T E S T I N G I N I TA LY

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The Norwegian company Statoil is the world’s third

largest exporter of oil and the biggest producer of

North Sea crude.

Experiencing gas turbine problems on its

Veslefrikk oil-drilling platform, Statoil contacted

Camfil Farr’s Norwegian agent – Kaare A Rustad –

for advice about ways to increase the output of

the turbines with better filtration. Statoil had been

dissatisfied with the performance of a competitor’s

filter used in the turbines’ air inlet system.

The Cam GT filter was recommended and supplied.

The product had a proven track record from similar

rough-and-tough environments.

“We installed the Cam GT on two turbines, a

General Electric LM 2500 generator and a Solar

Mars water-injected turbine,” says Statoil’s Bjart

Brekke. “With the low pressure drop of the Cam GT,

we can now run the turbines at the desired power

output. And because of the high efficiency of the

filters, the turbines stay much cleaner, allowing us

to increase the load. The filters have definitely met

our expectations and we’re very satisfied.”

Offshore filtration specialist

Camfil Industrifilter in Sweden specialises in off-

shore filter systems, supplying their medium-velocity

barrier system (F9) based on the Cam GT with low

pressure drop and high efficiency. The Cam GT sys-

tem is well proven and recognised for outstanding

performance in the field since 1998.

Air in the medium-velocity system is cleaned

in three stages. The Cam GT also has a unique

construction that allows trapped water to drain

freely during operation, avoiding re-entrainment of

dissolved impurities, and maintaining low pressure

drop in highly humid conditions.

For more information ask for a copy of our off-

shore filter systems brochure, or visit www.camfil-

farr.com and search for “Cam GT”.

Ecstatic at Statoil

C A M G T

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Head OfficeCamfil AB, Industrigatan 3, SE-619 33 Trosa, Sweden. Tel +46 156 536 00. Fax +46 156 167 24.

Wa n t t o k n o w m o r e ?For further information please contact theCamfil Farr subsidiary or agent closest to you, or phone, write or fax to Camfil Farr headquarters.

CAMFIL FARR AIRMAIL is a world-widepublication for Camfil Farr customers.Available in nine languages.

Published by:Camfil AB, Industrigatan 3SE-619 33 Trosa, Sweden Tel. +46 156 536 00 Fax. +46 156 167 24E-mail: info@camfil.sewww.camfi l farr.com

Publisher: Lennart SchröderMarketing Director, CorporateCommunications, Camfil Farr Group

Editor: Margareta Swahn ForslingTel. +46 156 536 18Fax. +46 156 536 87E-mail: margareta.swahn@camfil.se

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www.camfilfarr.com

Exhibitions 2003/2004

NOVEMBER13 – 15, 6th PSVARE Convention, Manila,

Philippines

6, North & South New Jersey Conference,Jamesburg, NJ, USA

13, Pharmaceutical Tradeshow, Boston, MA,USA

19 – 21 Cleanrooms Puerto Rico, San Juan,PR, USA

2004

JANUARY20 – 23 HILSA, Basel, Switzerland

FEBRUARY3 – 6, Interclima, Paris, France

9 – 14, VSK, Utrecht, Netherlands

MARCH2 – 6, Mostra Convegno Expocomfort,

Milan, Italy

16 – 20, Nordbygg, Stockholm, Sweden

APRIL27 – 29, Danmiljø 2004, Herning, Denmark

JUNE29 – 1/7. Cleanrooms 2004, Stuttgart,

Germany

Find product informationfaster on the WebCamfil Farr’s website is now improved and even more user-friendly for customers, thanks to new search features that

make product selection easy. All it takes is two clicks of your mouse to access and find the air filter information you

need.

You can search for products in two ways – by selecting the filter efficiency or the application area. Camfil Farr’s

recommended filter will be automatically highlighted on the web page.

The new website design reflects Camfil Farr’s new product catalogue (see AirMail 1-2003), which is available in six

languages and greatly simplifies the ordering, specification and handling of our filtration products.