Unicel 6CH-940 | 45 sq ft Top Load Spa Filter Type_Grilling Tools BPA-free patterned silicone surface for

BPA-free patterned silicone surface for a strong grip

well-functioning spa water — it keeps the water gentle on skin and eyes

Each pack contains three genuine Watkins Wellness cartridges — the titanium-electrode cells (sometimes called the "salt cell") that power the FreshWater Salt System on compatible Hot Spring and Caldera hot tubs

If you have genuinely high calcium hardness (especially in salt-system spas)

Its rigid ceramic media captures twice as much from the water while allowing higher flow to the jet pumps

Unicel 6CH-940 | 45 sq ft Top Load Spa Filter Type_Grilling Tools BPA-free patterned silicone surface forThe Unicel 6CH 940 is a top load spa filter cartridge delivering 45 square feet of filtration across 225 pleats of Reemay polyester media, capturing debris down to an average of 20 microns. Built to meet or exceed OEM specifications, it drops straight into a wide range of spa systems. Filtration is the quiet backbone of clean spa water. Every soak leaves behind body oils, lotions, hair, and fine debris, and the cartridge is what removes all of it