Oatey brass and plastic no-calk shower drains are designed for use with preformed shower stall bases. The drain body is sealed to the shower base with a fiber and rubber washer. 2 in schedule 40 DWV pipe is secured with a mechanically compressed gasket that does not require caulking. Drain top accommodates 4-1/4 in universal Snap-Tite strainers available in a variety of designer finishes.