Unicel 6CH-502 Replacement Filter Cartridge for 50 Square Foot Artesian Spas blowers-and-ventilators This signals you to “backwash”

This signals you to “backwash” the filter by simply reversing the water flow and “knocking out” the dirt

Highest Safety Standards: Compliant with latest ANSI/ISEA Z87

and Rough Surfaces "

Ideal for janitorial

Also fits Pentair Kreepy Krauly Great White automatic pool and spa cleaner

Unicel 6CH-502 Replacement Filter Cartridge for 50 Square Foot Artesian Spas blowers-and-ventilators This signals you to “backwash”Unicel 6CH 502 Replacement Filter Cartridge for 50 Square Foot Artesian Spas Diameter: 6 3 4 inch; length: 8 inch Top end cap: semi circular handle, 0 inch inner diameter; bottom end cap: 2 inch male thread mpt, 0 inch inner diameter Pleat count: 209; filter media: 3 ounce reemay 2033; filter area: 50 square feet Get more efficient filtration and better water clarity with Unicel filters Longer time between cleanings; meets oem specifications