Featuresdrain waste vent pvc sewer popperautomatic pop-up releases sewage overflow outside the houseeliminates health hazards associated with sewage overflowvandal and amper proof recessed centerthreaded for 3 and 4 pipe or tapped adapterwhite pvcfor cast iron pipe use standardspecificationsdiameter: 3 in. Weight: 0. 17 Lbs.