Fits iSpring F3 10-inch Universal Replacement Filter Set Cartridges for Reverse Osmosis and 3-Stage Water Filtration Systems Sediment, Granular Activated Carbon, and Carbon Block Filters

Fits iSpring 5-stage, 6-stage & 7-stage RO systems. Also compatible with all industry standard sized 10-inch filter housings 1st stage - 5 micron high-capacity polypropylene sediment filter removes dust, silt, rust and other particles from the source water. 2nd stage - 5 micron granular activated carbon filter gets rid of unpleasant chlorine, tastes and odors 3rd stage - 5 micron carbon block filter removes any residual chlorine, volatile organic chemicals (VOCs) and other harmful chemicals International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.