Fernco FTS-4CF Wax Free Toilet Seal 3 in Dia Elastomeric PVC Black For: 3-1/2 in Drain Pipes

Wax Free Toilet Seal - Easy, 1-piece design. Quick and easy 2 step installation. Clean to install, no wax. Gas and water tight. Seals to the toilet flange below the floor. Seal will not break if the toilet ever becomes backed up. Connects toilet to 3 in drains.