The 887-GPM from Sioux Chief is a 4” Pipe Push-Tite Gasket Closet Flange w/ Steel Swivel Ring. It's designed for installation and connection of toilets to the drain line. The Push-Tite elastomer gasket seals against the inside wall of the drain pipe which makes the installation more convenient for further repair or remodeling jobs. Easy installation - only push in and fasten to the floor.
The flange ring is full-swivel stainless steel, protected from corrosion.