We manufacture Weholite, a large diameter profile wall (HDPE) pipe in sizes up to 120” inside diameter. It is excellent for direct burial, storm and sanitary sewer, manholes, sewer and culvert ...

Advanced Drainage Systems' grease interceptor tank design meets ASTM’s new standard, ASTM F2649 Standard Specification for Corrugated High Density Polyethylene (HDPE ... between a commercial kitchen ...