Universal With Overflow Our sink drain with overflow fits all commercial sinks, with standard G1 " inch installation dimensions for sinks. Please note the installation size of your sink before purchasing. Leak-Free & Rust-Free Our pop-up drain with overflow is made of high-quality double-sealed thick silicone, no water leakage after installation, rust formation is effectively prevented by matte black metal coating. Easy Installation Simple structure and convenient to use pop-up valve. can be completely installed in a few steps, since the copper cap is wider and the contact area is large, it can be assembled by hand without any effort. Easy to Clean You can easily unscrew the top pressure cap of the drain fitting and Clean it with a cloth. Installation and removal in just a few steps in 10 seconds.Welcome to meet