The wax ring creates a positive and reassuring seal for your floor outlet toilet. Universal construction fits both 3 in. and 4 in. boots. Ensures a water-tight, odor-tight and gas-tight seal to prevent bacterial growth.Fits 3 in. to 4 in. waste lines100\% pure petroleum wax gasketProvides a permanent seal impervious to vermin, odors, gases and acidsPolyethylene sleeve extends discharge opening for a more positive seal assuring proper bowl alignmentNo hardware includedConforms to federal specification TT-P-1536A
