Unicel C-8465 Replacement Filter Cartridge for Hot Springs Spas, Tiger River & Caldera Spas | 65 Sq. Ft. | 10 1/2" Inlets & Skimmers Highly concentrated formula

Highly concentrated formula

Professional strength

Natural Chemistry Pool Magic & Phosfree - 1 L Bottle

This test determines alkalinity levels to ensure stability and prevent sudden fluctuations in pH

coagulation

Unicel C-8465 Replacement Filter Cartridge for Hot Springs Spas, Tiger River & Caldera Spas | 65 Sq. Ft. | 10 1/2" Inlets & Skimmers Highly concentrated formulaWhen your Hot Springs, Tiger River, or Caldera spa needs its primary filter replaced, the Unicel C 8465 delivers an upgraded solution 65 sq. ft. of 3 oz. Reemay 2033 spun bonded polyester media packed into 234 precision pleats, a significant step up from the original OEM cartridge. Drop in fit, no modifications required. 5 Filter System Notice Hot Springs Spas, Tiger River, and Caldera Spas use a 5 filter system: one (1) large primary filter and four