Jones Stephens has built its reputation over the years as a leader in the plumbing industry, providing the market with thousands of products to complete any project. Water Closet (Toilet) Flange has an inside caulk connection. Constructed of durable cast iron. This flange has a 2 in. offset and is IAPMO listed. Cast iron construction 2 in. offset Notched and slotted Fits 4 in. pipe 4-1/4 in. height 7-1/4 in. overall OD Inside caulk connection IAPMO listed For water closet (toilet) applications CHARLOTTE PIPE, 4 in.