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Ships within 48 hours · Estimated delivery Aug 23 - Aug 28
50 sq ft of 4 oz spunbonded polyester (Reemay®) media
trusted by pool and spa service professionals for its accuracy and ease of use
Common Compatible Heater Series
Its advanced vibration-isolating motor mounting and spring-check valve design significantly reduce operating noise and extend motor durability
Unicel Replacement Filter Cartridge 50 sf Cal Spa/Martec | C-4305 Memorial Day Sale 50 sq ft of 4Unicel C 4305 Replacement Spa Filter Cartridge 50 Sq Ft (Open Top & Bottom, 2 1 8" ID) The Unicel C 4305 is a premium 50 sq ft pleated replacement filter cartridge used in many hot tub and spa filtration systems that take a 4 15 16" diameter cartridge with open ends. Replacing a worn or torn cartridge helps restore circulation, improve water clarity, and reduce strain on the spa pump and heater. Key Features 50 sq ft filtration area for strong debris
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