Unicel 5CH-37 | 37.5 sq ft Hot Spring Filter Type_Thermometer and produce no harsh chlorine

and produce no harsh chlorine smell — making bromine the preferred sanitizer for owners with sensitive skin

Rainbow Dynamic Series IV

its one incredible water heater

The smaller package means fresher chlorine

Unicel 5CH-37 | 37.5 sq ft Hot Spring Filter Type_Thermometer and produce no harsh chlorineThe Unicel 5CH 37 delivers 37. 5 square feet of filtration across 221 pleats of Reemay polyester media, capturing debris down to an average of 20 microns. Built to meet or exceed OEM specifications, it's the replacement cartridge for select Aquaterra and Hot Spring spas, taking the place of Watkins part 303279. Filtration is the quiet backbone of clean spa water. Every soak leaves behind body oils, lotions, hair, and fine debris, and the cartridge is