Pressure gauge replacement * Fits Pentair Clean & Clear, Warrior, EasyClean, Triton C-3 pool and spa filter systems * Also fits Pentair Clean & Clear Plus, Predator pool and spa cartridge filters * Compatible with Pentair EasyClean, FNS Plus, Quad, Warrior pool and spa D.E. filter models FNSP24, FNSP36, FNSP48, FNSP60 * Also compatible with Pentair Sta-rite 1-1/2-inch multiport valves; measures 3-inch length by 1-3/8-inch height by 2-1/2-inch width