Marketing InformationSioux Chief 889 Series FullFlush™ gasketed closet flanges shall be used where necessary in drainage systems. Flange shall allow 1-1/2 in offset in any direction and have a full swivel, corrosion-proof stainless steel ring, with sufficient holes for securing to floor and slots for inserting closet bolts. Flange shall have an offset inner diameter area properly designed to allow full 3 in spherical flow for complete drainage and clog-resistance. Engineered elastomer flange gasket shall have three points of contact to ensure a positive seal inside 4 in nominal DWV pipe. Always fasten closet flanges to the floor.