My plumber wouldn't use it when my do it yourself toilet replacement failed, and Amazon said it wasn't worth it to them to ship it back, SO if you can use it, it is yours! http://www.amazon.com/Fernco-Inc-FTS-3-3-Inch-Toilet/dp/B000BQUJEA/ref=sr_1_1?ie=UTF8&qid=1351779554&sr=8-1&keywords=Fernco+wax+free+seal Thanks, Heather