Unicel C-8399 | 100 sq ft Caldera Spa Filter Type_Control Board no more inconsistent chlorine levels

no more inconsistent chlorine levels

and it fits the same housings

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Comfort Fan Speed Modulation

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Unicel C-8399 | 100 sq ft Caldera Spa Filter Type_Control Board no more inconsistent chlorine levelsThe Unicel C 8399 is a large capacity spa filter cartridge delivering 100 square feet of filtration across 259 pleats of Reemay 2033 polyester media, capturing debris down to an average of 20 microns. Built to meet or exceed OEM specifications, it's the replacement cartridge for Caldera Spas, taking the place of Caldera part 1039607. Filtration is the quiet backbone of clean spa water. Every soak leaves behind body oils, lotions, hair, and fine