A2 60 in. x 30 in. Single Threshold Left Drain Shower Pan in WhiteA shower bases feature a patented system of design elements that ensure water is directed away from walls and toward the drain. Weep channels are in all 4 corners to provide an enhanced path for the water migration. And the raised front profile also provides greater direction of water toward the drain. Ideal for tile wall applications. California residents see Prop 65 WARNINGS Pre leveled base Slip resistant, textured bottom Extended tiling flange