One of our most popular covers, the sump bin cover provides a gas and radon tight seal to any of our 18 in. diameter basins. Constructed from injection molded polyethylene structural foam, the sump bin cover will provide strength and reliability for decades. Also, it come with several fittings, making it extremely versatile. We mold all of the fittings at our factory, assuring a tight fit.
What's Included:(1) 4 in. Inlet Hub, (2) 2 in. Flanges, (1) 3 in. Flange, (1) 1.5 in. Flange, (1) Cord Grommet, (4) Bolts and Washers, (1) Roll of Sealing Tape
