Unicel 5CH-502 50 Square Foot Media Replacement Hot Tub Spa Filter Cartridge with 197 Pleats (4 Pack) hearing-protection Unique three-panel design fits a

Unique three-panel design fits a wide range of face shapes/sizes and accommodates facial movements while talking

improving fingertip sensitivity and flexibility

Built-in hard hat storage clip

making it ideal for creating tough bonds above and below the water line

The cartridge/filter combination works with a wide range of facepieces

Unicel 5CH-502 50 Square Foot Media Replacement Hot Tub Spa Filter Cartridge with 197 Pleats (4 Pack) hearing-protection Unique three-panel design fits aUnicel 5CH 502 50 Square Foot Media Replacement Hot Tub Spa Filter Cartridge with 197 Pleats (4 Pack) Replacement Spa Filters: Pack of 4 replacement 5CH 502 filter cartridges 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