Unicel 6CH-502 | 50 sq ft Artesian Spa Filter Brand_Travis Industries Diameters: 5" x 8" to

Diameters: 5" x 8" to 4" x 6 5/8"

designed for fill water with a calcium hardness reading between roughly 100 and 150 ppm

The convection fan circulates hot air into the room to keep you toasty

The tablets are low-odor

not just the square footage

Unicel 6CH-502 | 50 sq ft Artesian Spa Filter Brand_Travis Industries Diameters: 5" x 8" toThe Unicel 6CH 502 is a top load spa filter cartridge delivering 50 square feet of filtration across 209 pleats of Reemay 2033 polyester media. Built to meet or exceed OEM specifications, it's the replacement cartridge for Artesian Spas 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 before it clouds the water, feeds bacteria,