The McAlpine R/SEAL-42X35 is a synthetic rubber seal reducer designed for use with chrome plated brass waste fittings. It is designed to provide a watertight seal between waste pipes or fittings of different sizes. The R/SEAL-42X35 is specifically designed to reduce the size of the waste pipe or fitting from 42mm to 35mm. This type of synthetic rubber seal is commonly used in plumbing and waste applications where a reliable and watertight seal is required. The R/SEAL-42X35 is designed to be used with McAlpine waste fittings and is compatible with a wide range of different pipes and fittings. Overall, the McAlpine R/SEAL-42X35 Synthetic Rubber Seal Reducer is a high-quality, reliable fitting that is well-suited to a variety of plumbing and waste applications where the reduction of the waste pipe or fitting size is necessary for a secure and watertight connection. ・ Available in 3 sizes ・ Use with McAlpine Chrome Plated Brass Waste Pipe and Fittings