Refillable InLine Filter Housing Reverse Osmosis RO Unit for DI Resin/Carbon

Finest Filters Inline filter housings can hold any granulated filter media such as Activated Carbon or DI Resin. This cartridge is refillable, and comes complete with 1/4"straight fittings on each end for easy connection to standard 1/4" reverse osmosis tubing. This housing can be refilled and reused many times - saving you money on disposable cartridges!