The Pentair 154856 Black Buttress Thread Closure Replacement Kit for Pool Filters is a high-quality maintenance part designed to ensure the proper functioning of your outdoor swimming pool. This kit is specifically designed to fit the Pentair Triton II C-3 pool and spa sand filter models, including TR40, TR50, TR60, TR100, TR140, TR100C, TR140C, TR100C-3, and TR140C-3. With dimensions of 17.25" L x 10" W x 4.5" H, it is easy to install and use. Keep your swimming pool in proper working form with the Pentair 154856 Black Buttress Thread Closure Replacement Kit for Pool Filters.