Gasket seals inside DWV pipe including cast-iron. Strong, adjustable stainless steel swivel ring means you adjust the ring, not the flange. No chance of breaking gasket seal. Engineered elastomer gasket is chemical and heat-resistant. Inside 4″ closet flange with plastic ring.

Open PVC flush to floor closet flange with corrosion-resistant stainless steel swivel ring is engineered for maximum strength. 1-piece plastic. The inside diameter of pipe can vary significantly. These flanges are designed to fit inside most, but may not fit all types of pipe.

4″ x 3″ open, flush mount.1-piece plastic. Solid PVC. The inside diameter of pipe can vary significantly. These flanges are designed to fit inside most, but may not fit all types of pipe. 3″ hub/inside 4″ flush to floor.

4″ x 3″ (3″ hub inside 4″) flush to floor closet flange with stainless steel swivel ring.