The McAlpine Trap 1-1/4 In Rubber Washer RW1 is a small rubber washer designed to be used with McAlpine 1-1/4 inch traps. The washer is made from durable rubber and is designed to provide a tight and secure seal between the trap and the waste pipe.The purpose of the trap washer is to prevent water and other waste materials from leaking out of the trap and causing damage or creating unpleasant odors. By creating a tight seal between the trap and the waste pipe, the washer helps to ensure that waste materials flow smoothly and efficiently through the plumbing system.The McAlpine Trap 1-1/4 In Rubber Washer RW1 is easy to install and can be used with a wide range of McAlpine traps. It is also designed to be long-lasting, providing a reliable and effective seal for years to come.Overall, the McAlpine Trap 1-1/4 In Rubber Washer RW1 is an essential component for any plumbing system that uses McAlpine 1-1/4 inch traps. Its durable construction and reliable performance make it a popular choice for plumbers and homeowners alike.・ Available in 1¼", 1½", and 2" sizes・ Full range of spare parts and accessories are available on The Plumbers Mate.