Sioux Chief 823 Series linear shower pan drains shall be used where necessary in drainage systems. Drain body shall be beveled, with mounting holes for sub floor installation. Invertible clamping collar shall fasten to drain body with four screws into brass inserts. Drain body shall have a 2 in Sch. 40 hub connection and connect to DWV pipe via solvent weld joint. Linear drain head and strainer shall be stainless steel and height adjustable using threaded adapter. Drain shall include Double Duty™ test plug.