The McAlpine SM10PLUG Blank Plug, Nut and Washer for SM10 Trap is a plumbing fitting made by McAlpine that is used to plug the outlet of the SM10 trap when it is not in use. The SM10 trap is a water seal tubular trap that is commonly used in sink and basin installations. When the trap is not in use, such as during construction or renovation, it is necessary to plug the outlet to prevent debris or other materials from entering the trap and causing blockages. The SM10PLUG Blank Plug, Nut and Washer kit includes a plug, nut, and washer that can be used to seal the outlet of the SM10 trap. The plug is inserted into the outlet, and the nut and washer are then tightened to secure the plug in place. Overall, the McAlpine SM10PLUG Blank Plug, Nut and Washer for SM10 Trap is a specific plumbing fitting that is used to temporarily seal the outlet of the SM10 trap when it is not in use. Its design helps to prevent debris and other materials from entering the trap and causing blockages, and its inclusion of all necessary components makes installation quick and easy. ・ Replacement Plug for SM10 bath trap ・ Full range of spare parts and accessories are available on The Plumbers Mate