Unicel 4CH-935 35 Square Foot Media Replacement Hot Tub Spa Filter Cartridge with 219 Pleats sqwincher Sand filters have been installed

Sand filters have been installed on tens of thousands of pools for decades—a testament to their performance

3M Number: 460V

bio-tower and waste water systems

Designed for 21st-century pool owners

Our water-resistant adhesive strips allow for placement on many surfaces

Unicel 4CH-935 35 Square Foot Media Replacement Hot Tub Spa Filter Cartridge with 219 Pleats sqwincher Sand filters have been installedUnicel 4CH 935 35 Square Foot Media Replacement Hot Tub Spa Filter Cartridge with 219 Pleats Replacement Spa Filter: 4CH 935 filter cartridge features 35 square feet (219 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