The McAlpine 1 1/2" Basket Strainer Waste and Overflow in White (BWSTOFWH) is a plumbing accessory designed to prevent clogging and overflow in a sink or basin. This product is specifically designed for use with a sink or basin that has a 1 1/2" waste outlet. The basket strainer waste and overflow features a white finish that can complement a range of bathroom or kitchen designs. The product includes a basket strainer that can catch debris and prevent it from going down the drain, thereby reducing the risk of clogging. The overflow mechanism helps to prevent the sink or basin from overflowing in the event that the water level rises too high. Installation of the McAlpine 1 1/2" Basket Strainer Waste and Overflow typically involves connecting it to the sink or basin waste outlet and then to the waste pipe using appropriate plumbing fittings. It is important to follow the manufacturer's installation instructions carefully to ensure proper operation of the product. Overall, the McAlpine 1 1/2" Basket Strainer Waste and Overflow in White (BWSTOFWH) can be a useful accessory for maintaining the proper functioning of your sink or basin. ・ 1½" BSP ・ 113mm Stainless Steel flange ・ Stemball Plug