Replacing the drain plug assembly Fits Pentair Clean & Clear Plus Cartridge Pool and Spa Filters Also fits Pentair FNS Plus, Quad Pool, and Spa DE filter models FNSP24, FNSP36, FNSP48, FNSP60 Measures 2-1/2 inches long by 3 inches high by 2-1/2 inches wide This drain plug cover assembly is designed to be used with Pentair Clean & Clear Plus pool and spa filters and Pentair FNS Plus, Quad Pool and Spa DE filter models FNSP24, FNSP36, FNSP48, FNSP60. Measures 2-1/2 inches long by 3 inches high by 2-1/2 inches wide. .
eBay