Unicel C-4305 Replacement Filter Cartridge | 50 sq. ft. | Cal Spas / Sundance / Sonfarrel C7471 1 Qt of 90 Day

1 Qt of 90 Day Algae Prevention and Remover

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Specially developed to keep pool tile

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Unicel C-4305 Replacement Filter Cartridge | 50 sq. ft. | Cal Spas / Sundance / Sonfarrel C7471 1 Qt of 90 DayThe Unicel C 4305 is a 4000 Series 50 sq. ft. replacement filter cartridge engineered for spa filtration systems requiring a compact, high pleat count cartridge. With 193 precision folded pleats of 3 oz. Reemay 2033 polyester media, this cartridge delivers exceptional surface area in a 14 7 8" profile trapping fine debris and maintaining water clarity between cleanings. Open top and bottom caps allow for straightforward installation into compatible