Marketing InformationSioux Chief 889 Series FullFlush closet flanges shall be installed where necessary in drainage systems. Flange shall allow 1.5" offset in any direction and have an inner diameter area properly sized to allow full 3" flow for complete drainage and clog resistance. Stainless steel swivel flange ring shall be secured to floor and provide slots for inserting closet bolts. Flange shall have a 3" Sch. 40 hub connection which conforms to ASTM D2665 (PVC) or D2661 (ABS). Flange shall be UPC listed.