The Atomic FC-0688 PAP200 C-9419 Pool Spa Filter is a compatible replacement for the following pool filters: Premium Pool and SPA Filters Made in the USA Compatible replacement for PAP200, C-9419, FC-0688 Diameter: 10 1/6" Length: 31 1/8" Top: Open Hole: 6" Bottom: Open Hole: 6" Filter Media: 4 oz/yard Filter Area: 200 sq. feet Core: No Filter Core For use in pools and spas made by: American Predator, American Products, PAC FAB, and Pentair Pool Products Compatible Filter Names: R173217, 59054400, 590544, Pentair Clean & Clear 200, FC-0688M, PAP 200, PAP200-4, Predator 200, PAP200-M4 Compatible with the following models Aladdin 29902 Baleen AK-8005 FC-0688 FC-0688M,PAP200-4, PAP200-M4, PC-0688 SD-00071 SD-01089, C-9419, C-9419RA OEM R173217 OEM 59054400 200 sqft