Designed for preformed shower stall bases 2" Sch. 40 DWV pipe solvent welds to the drain base Drain body is sealed to shower base with rubber gasket and fiber slip washer Drain top accommodates 4-1/4" Universal Snap-Tite Strainers Strainers available in a variety of designer finishes. Easy to install. Designed for use with preformed Shower bases: fiberglass, acrylic, nylon or metal Solvent welds over 2-Inch Sch. 40 DWV pipe