[Specification] This shower drain has the perfect standard size, with a length of 4.3 inches and a width of 4.3 inches (11cm × 11cm), the water outlet is 2 inches( φ 50 mm) (not screwed into the drainage riser type), in accordance with the American standard hubless drainage base. Please note that the drainage base is not included, 2 “PVC NO-HUB drainage base needs to be purchased separately. [High quality 308 stainless steel] This square drain pipe is made of SUS 308 high quality stainless steel. It is sturdy, durable, rust proof and anti-corrosion. Its surface is brushed to prevent scratches and has a long service life. [Fashion and advanced design] The shower drain cover is designed to be detachable and mesh, with square floor drain grille, modern and textured, while enhancing water flow, which is basically suitable for various ceramic tile patterns, [Rapid drainage and wide application] The unique square shower drain cover and 2-inch bottom outlet ensure a high flow rate of