• Replacement 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 clear
• Optimal 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 debris
• Filter Media: Constructed with 100-percent polyester Reemay material that balances dirt-holding capacity, cleanability and durability with excellent chemical resistance properties
• Thread 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 chemicals
• Spa Fitment: Compatible with Marquis Spas and Cal Spas; OD: 5-3/16 inches, Length: 12-1/2 inches