Unicel 5CH-402 40 Square Foot Media Replacement Hot Tub Spa Filter Cartridge with 204 Pleats Abrasives WATERPROOF: These lightweight boots feature

WATERPROOF: These lightweight boots feature a one piece injection molded construction with energy absorbing Safety-LOC outsole with channels to repel water making them 100% waterproof

Length: 31-1/8 inches

PVDF and pipes in return air plenums

REDUCE FOGGING: Exhalation valve cover directs exhaled breath and moisture downward to reduce fogging

Also fits Pentair Nautilus and Nautilus Plus 60-square feet pool and spa D

Unicel 5CH-402 40 Square Foot Media Replacement Hot Tub Spa Filter Cartridge with 204 Pleats Abrasives WATERPROOF: These lightweight boots featureUnicel 5CH 402 40 Square Foot Media Replacement Hot Tub Spa Filter Cartridge with 204 Pleats Replacement Spa Filter: 5CH 402 filter cartridge features 40 square feet (204 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