Sioux Chief 890 Series 4" X 4" Cast-Iron Closet Flange (Part 890-i42) Fits over 4" cast iron DWV pipe Easy compression installation with neoprene gasket Perfect for retrofit or remodel applications Integral neoprene cover/cap removes with utility knife after test Overall diameter 7", Screw centers: 4 3/8", Connection: Over 4" cast iron, Overall height: 2"