1. Product size: The size of the stainless steel floor drain strainer is 7.5 x 6 cm, the diameter of the filter screen is 3.2 cm and the compatible installation diameter is 33 40 mm. Please confirm whether the size is suitable before purchasing. 2. Highquality materials: The sink plug with strainer is made of brass shaft core and 304 stainless steel material, with multiple layers of chrome plating on the surface, which is sturdy, durable, rust resistant and corrosion resistant. And it is equipped with 2 rubber rings for double protection, which effectively prevents water leakage. 3. Improved filter screen: The drain plug filter is also made of stainless steel material, which prevents hair, rings, earrings and dirt from getting stuck in the waste water while preventing odour and insects. 4. Easy installation: The installation of the sink drain plug is simple, just use pliers to remove the old one, and then insert the popup drain valve directly, which is very convenient.