LASCO 04-3310 Toilet Bowl Wax Ring with Polyethylene Flange for 3-Inch and 4-Inch Waste Line #1 toilet bowl wax gasket for floor mount toilets Polyethylene flange fits 3-inch and 4-inch waste line Forms a gas, odor and water tight seal between toilet bowl and waste line Easy installation Polyethylene sleeve ensures strong seal and proper positioning of gasket on 3-inch and 4-inch drain opening