The McAlpine PUB-CPB 1½" x 70mm Polished Stainless Steel Flange Pop-Up Bath Waste and Overflow is a plumbing fitting used to drain water from a bathtub. It is designed to fit a 1½" waste outlet and features a polished stainless steel flange, a pop-up waste mechanism, and an overflow with a command knob. The pop-up waste mechanism allows the user to easily control the flow of water from the bathtub, while the overflow prevents water from overflowing and causing damage to the surrounding area. The command knob is used to open and close the pop-up waste mechanism. The McAlpine PUB-CPB is made from high-quality materials, which are durable and resistant to corrosion. The polished stainless steel flange gives it a sleek and modern look that can complement a range of bathroom styles. Installation of the McAlpine PUB-CPB is straightforward and can be done by a qualified plumber. The fitting is designed to be compatible with a range of bathtub models and can be easily installed using standard plumbing techniques. Overall, the McAlpine PUB-CPB 1½" x 70mm Polished Stainless Steel Flange Pop-Up Bath Waste and Overflow is a reliable and efficient solution for draining water from a bathtub. It is a durable and long-lasting product that can help to ensure a secure and leak-free connection between the bathtub and the plumbing system. The pop-up waste mechanism and overflow with command knob make it easy to use and control the flow of water from the bathtub. ・ Flanges and Overflow/Command knob available in White or Chrome Plated Plastic, or Chrome Plated Brass ・ 1½" BSP ・ 70mm Stainless Steel flange ・ Centre pin dry fixing connection has the advantage of a quick, simple and neat installation affording a saving in material and labour costs ・ Flexible overflow tube has OD of 34mm