A2 48 in. x 34 in. Single Threshold Center Drain Shower Base in WhiteThe A2 Composite shower base from Aquatic measures 48 in. x 34 in. x 6 in. and features a center drain. Its patented design elements effectively direct water away from walls and towards the drain, with weep channels in all four corners for enhanced water migration. The pre leveled base has strong structural ribs and a slip resistant, textured bottom. The raised front profile also aids in directing water to the drain, and the patented extended flange