Tile Redi USA RT3660CBFB-PVC-SQPC Redi Trench Shower Pan, 36" x 60", Gray Barrier free shower pan with back trench drain & Polished Chrome designer grate, 36d x 60w Leak proof one-piece, pre-pitched shower pan with integrated roll-in entrance, splash walls, and 2 inch PVC drain (molded-in linear trench) Ready-to-tile: tile set directly on shower pan surface Fast and easy installation Includes Redi poxy epoxy adhesive