div class=ts-pagebuttonPage 1button div class=ts-image a href=https:reader042vdocumentsmxreader042viewer20220217235c7eba8509d3f23d428b9213html5page1jpg target=_blank amp-img class=ts-thumb alt=Page 1: Bioteg - Biofiltration and Biofilter Material Bioteg · The Bioteg Manhole Biofilter is a specially designed manhole insert to biologically remove odors from sewer manholes The src=https:reader042vdocumentsmxreader042viewer20220217235c7eba8509d3f23d428b9213html5thumbnails1jpg width=142 height=106 layout=responsive amp-imga divdiv