3″ flush to floor ABS spigot, total knockout will not break apart and cannot fall down drain pipe. Strong, corrosion-resistant stainless steel ring eliminates cracked flanges. Easier installation, no need to hold knockout while hammering. Holds 5 floors (22 P.S.I.) for head test. The inside diameter of pipe can vary…
Corrugated pipe and fittings are made from strong lightweight polyethylene plastic – won’t break or crush and resists acids, alkalis, and freezing temperatures. Ideal for drainage and waste management.