Compatible Big Blue Empty Refillable Cartridge 4.5" x 20" For 20" Filter Housing

4.5" X 20" EMPTY REFILLABLE CARTRIDGE.GOOD FOR VARIOUS MEDIA DI MIXED BED RESIN SOFTENER CAUTION RESIN CARBON GAC KDF AND OTHER MEDIA/RESIN FOR WATER FILTRATIONThe Big 20" empty cartridge shell allows you to make your own customwhole house filter to treat exactly what you want in your water. Or, youcan save money and refill it after the media is exhausted several timesover. It includes the shell, seal, extra thick foam pads for both ends. The filter measures 4.5-inch in diameter and 20-inch long andfits all standard 20-inch Blue housings. Cartridge will hold just under.2 cubic feet.Product FeaturesEmpty CartridgeAllows you to make your own filter OR refill the filter many times overBig Blue 20"Filter measures 20-inch long and 4.5-inch in diameterStandard Big SizeFits and is compatible with most standard 20" Big Blue filter housings.2 cubic feetCartridge holds just under .2 cubic feet

• Empty 20" cartridge compatible with 20" Big Blue Housing
• Measures 4.5" x 20"
• Fill with your own media or combination of medias. Empty cartridges can be used with DI MIXED BED RESIN SOFTENER CATION RESIN CARBON GAC KDF or any other media. Made from high impact polystyrene to withstand continuous usage and media changes.
• Includes filter pads at the top and bottom to prevent media fines from escaping the filter.
• Actual cartridge may vary in appearance than what is shown