Infiltrator is the largest septic products company in the industry. Through its subsidiary Champion Polymer Recycling, it is a leading purchaser of “green materials” including post-consumer and post-industrial recycled plastics used in the manufacture of Infiltrator products at their ISO-9002 certified manufacturing facility in Winchester, Kentucky. Since its inception in 1987, Infiltrator has continually introduced innovative products that meet increasingly stringent environmental and regulatory onsite wastewater treatment requirements. Infiltrator is a Graham Partners portfolio company and is based in Old Saybrook, Connecticut.