Unicel 6CH-502 Replacement Filter Cartridge for 50 Square Foot Artesian Spas blowers-and-ventilators Polyethylene shell provides superior impact

Polyethylene shell provides superior impact protection

and Rough Surfaces "

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

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

69 fl oz) Duo-Pak

Unicel 6CH-502 Replacement Filter Cartridge for 50 Square Foot Artesian Spas blowers-and-ventilators Polyethylene shell provides superior impactUnicel 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