Sioux Chief 889 series Drop Kick closet ?anges shall be used where necessary in drainage systems. Flange outlet shall be offset 45 deg from inlet, and have a full-swivel, corrosion-proof stainless steel ring, with suf?cient holes for securing to ?oor and slots for inserting closet bolts. Flange shall have an angled inner diameter area properly sized to allow full 3 Inch spherical-?ow for complete drainage and clog resistance. Closet ?ange shall be UPC listed. Always fasten closet ?anges to the ?oor.