Unicel Replacement Filter Cartridge for 50 Square Foot Marquis Spas

Unicel 5CH-502 50 Square Foot Media Replacement Hot Tub Spa Filter Cartridge with 197 PleatsReplacement Spa Filter: 5CH-502 filter cartridge features 50 square feet (197 pleats) of 3-ounce basis weight media that catches debris and particles down to an average of 20 microns in size, keeping your hot tub water clearOptimal Debris Capture: Hot tub filter has sharp, uniform pleat folds that maximize water flow, minimize pressure loss, and allow full use of the pleat surface to hold more debrisFilter Media: Constructed with 100-percent polyester Reemay material that balances dirt-holding capacity, cleanability and durability with excellent chemical resistance propertiesThread and Handle Type: Design includes a 2-inch male thread/MPT and a bar handle for easy cartridge removal and replacement; Durable end caps resist damage from chemicalsSpa Fitment: Compatible with Marquis Spas and Cal Spas; OD: 5-3/16 inches, Length: 12-1/2 inches