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A Waterloo is designed to <br />perform on difficult sites <br />Small or <br />Remote Lots <br />UNIVERSITY OF <br />WATERLOO <br />Environmentally <br />Sensitive Areas <br />The patented Waterloo Biofilter system was The environmentally <br />developed at the University of Waterloo's friendly choice <br />Centre for Groundwater Research. <br />Permanent Filter <br />Medium <br />The key to the Waterloo Biofilter system is the <br />absorbent foam filter medium that has been <br />optimized to physically filter and biologically <br />treat sewage. This filter medium is warrantied <br />for 20 years and will likely last generations. <br />Step 1 <br />Wastewater is collected <br />and distributed over the <br />Waterloo foam filter <br />medium. <br />Step 2 <br />Wastewater slowly trickles <br />down through the foam <br />pieces where natural <br />occurring bacteria remove <br />contaminants. <br />20 <br />years <br />GUAFLANTEED <br />Step 3 <br />After passing through the <br />foam, the treated water is <br />put back into the <br />environment. <br />