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The PSR100-4 Compatible is a compatible replacement for the following pool filters:
The PSR100-4 Compatible Pool Filter Cartridge is a spa filter cartridge that measures 8 11/16" in diameter x 25 1/2" in length with 100 square feet of media area. This pool water filter features a 4 3/16" Open top style and a 4 3/16" Open Orange bottom style. This compatible filter replacement keeps your swimming pool and spa water clean.