About this item Dimensions & Specifications - Tile insert shower drain can be perfectly match your decoration style. The size is 4''x 4'', 2" central outlet. Average flow rate can be up to 50-60L/min, effectively avoid drainage clogging. Material & Reliability - 4 inch shower drain is made of US ASTM standard 304 stainless steel. Brushed surface finish, effectively prevents corrosion and rust. Square shower drain with tile insert grate truly achieve invisible visual effects. Perfectly blend in the modern decor. Application Scenarios - Fits US standard No-Hub drain base system. Tile insert invisible floor drain is suitable for bathroom, kitchen, balconies, basement etc. Please note that it's NOT compatible with Schluter Kerdi Shower Kit. Easy to Clean & Maintenance - Only need to embed the tile inside the tray can be firmly installed. Use the hook to remove the floor drain grate and hair strainer, easily to clean with water after using a period of time. Accessories Guide - Each square tile-in shower drains are individually packed, includes shower drain body, tile insert drain grate, hair strainer, lifting hook. The threaded adapter with rubber rings can fix the floor drain and adjust the height. Perfectly matches with most 2-inch PVC, ABS and cast iron drain fittings on the market.