This air bleed socket kit is designed to use with Pentair Clean Clear, Predator and Warrior pool and spa filters. Measures 1-1/2-inch length by 1/4-inch height by 1-inch width. Features: Air bleed socket replacement kit Fits Pentair Clean Clear, Predator pool and spa filters Also fits Pentair Warrior and Easyclean pool and spa filter systems Measures 1-1/2-inch length by 1/4-inch height by 1-inch width