This cartridge contains a patented media, KDF (U.S. Patent 4,642,192) which has been tested to have bacteriostatic properties in addition to effectively removing Chlorine, Lead, Arsenic, Cadmium and other contaminants that may be present in the water.
This cartridge should be installed with the gasket end against the screw cap. Remove the outside wrapper before installation. After installation, the filter should be flushed with sufficient water to remove all traces of fines.

Multi-media filter cartridge (KDF/GAC) replacement for Crystal Clear Supply filters item numbers CT, CTD, CTD-CB, CTD-S, UC, UCD, UCD-CB.

Will also fit industry standard housings designed for standard 9 ¾" cartridges length by 2 ½" to 2 ¾" width. Rated to treat 12,000 gallons! Includes chlorine test strips to verify when it's time to replace cartridge.

3 year prorated warranty.

Click to see how KDF/GAC filters work.