1. [Wide compatibility]The standing tub drain is compatible with all standing, floor standing, and island style bathtubs and can be stably installed on wood, cement, ceramic tiles, and concrete. Using an adapter, installation is simple and flexible, and can quickly adapt to different bathtub designs. 2. [High quality materials]The bathtub drain kit has a sturdy brass tube that increases the stability and of bathtub installation. The tail of the bucket is fixed in place by multiple push-in rings, forming a waterproof seal to prevent odors from coming out. 3. [Protecting Design]There is a blue protective cover that prevents cement and bricks from falling off before installation is completed. The built-in snap-on test cap allows for water/air testing. After completing the test, the lid can be removed for use. 4. [Packaging includes]Drainage body, fine thread tail piece, adapter, flange tail piece, brass nut, screw and anchor set, 2' to 11/2' drainage adapter, gasket, protective film cover, instruction manual.