Cal Spa Replacement Filter - PMT50

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Increase the efficiency of your spa with the PMT50 replacement cartridge filter. Designed specifically to replace Cal Spas cartridge, Sundance 6540-497 cartridge, and Martec CL-280 7 cartridge. It allows for a stronger water flow and less restriction, resulting cleaner water and more enjoyable spa experience. Dimensions: Diameter 4 15/16" x Length 14 7/8" x 2 1/8" Opening Show more