Specification - C1200C - Isolation (Floating) Floor Cleanout with Adjustable Cover and Plug MIFAB Model C1200-C (specify top assembly design) adjustable floor cleanout with lacquered cast iron upper and lower bodies with anchor flanges, secondary "O" ring Test Seal, cast iron membrane clamp rings for waterproofing membrane, neoprene expansion compensator, 4in diameter cleanout opening and scoriated combined cover and plug top assembly (specify material type) with stainless steel vandal proof allen key screws and primary gasket seal.