Replacement hot tub filter sock is essential for the upkeep and maintenance of your spa! Attracting oils, lotions, and trap debris, this reusable filter sock is designed to prolong the life of your hot tub filter. Compatible with hot tubs featuring a threaded filter, like our newest fully integrated spa models. Not sure if your Wave Spas hot tub will benefit from a filter sock? Don't hesitate to contact us for assistance! And if you're looking for more hot tub maintenance products, make sure to browse our Chemicals range!