Unicel 7CH-322 Filter Cartridge Chemical Type_Winter This product works perfectly with

This product works perfectly with the BioGuard Arctic Blue Winter Kits

Calming Clary Sage is a unique fragrance that enhances relaxation in your spa experience

Its liquid formula allows you to add it directly to spa water without needing a shutdown period

It helps prevent scale build up and rust

Unicel 7CH-322 Filter Cartridge Chemical Type_Winter This product works perfectly withUnicel filter cartridges are simply the finest replacement filters you can buy for your pool or spa, being made of the finest materials to meet or exceed OEM filters. Its heavy duty polyester is designed to last far longer than cheaper alternatives, while having more pleats to improve filtering capacity. Best of all, Unicel filters are made right here in the USA for the highest possible quality, allowing you to buy with confidence.