1、Suitable for tanks with 1 5/8in or 1 3/4in drainage holes. Standard size CA pipe. But not suitable for 1 1/2in tanks. Before placing an order, please measure the drain hole of your sink. 2、The built-in anti-clogging filter and the detachable brass filter basket can be disassembled, which is not only a hair collector, but also anti-clogging. You can remove it at any time to clean your hair. 3、Easy to install, the thickened brass locknut helps the wrench hold it firmly and shortens the installation time. The unique plastic gasket helps the silicon gasket underneath shifting upward evenly and sealing the water tighter. 4、The sink drain pipe is made of high‑quality brass and stainless steel to ensure corrosion resistance and durability. The valve body is made of 304 stainless steel, which can prevent corrosion and rust. 5、Suitable for different tanks, suitable for container tanks, and also suitable for under‑counter tanks. Tip: Press to seal, then press again to open. 6、No leakage, easy to install: one-piece main body, can prevent leakage, easy to install. The cleaning time is up, just pull out the filter, wipe it clean, and it's done.