iSpring F3 10"x2.5" Standard Replacement Prefilter Cartridges for Reverse Osmosis and 3-Stage Water Filtration Systems, Pre-filter

  • iSpring 6-month replacement prefilter filter pack for standard 5-stage reverse osmosis systems, tested by independent third-party to meet NSF/ANSI standard
  • Fits iSpring 5-stage, 6-stage ,and 7-stage RO systems. Also compatible with most industry standard sized 10-inch filter housings
  • 1st stage - 5 micron 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.
  • $36.39
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    Sediment Filter

    The Sediment Filter works as the first barrier in the Reverse Osmosis System, removing solid particles like silt, rust and dirt from the water and reducing sediments in the water. It prevents the other filters from getting clogged with fine particles and reduces the risk of damages to the other components.

    iSpring’s first stage Sediment Filter (FP15) features a 5 micron size capturing the fine sediments in the municipal water and preventing issues from clogs and pressure loss with filters that have smaller micron sizes.

    Granular Activated Carbon Filter

    Activated Carbon filters can trap and absorb organic chemicals and chlorine from the water with its ability of mechanical filtration and physical adsorption. It can remove odors and bad taste.

    Furthermore, the iSpring 2nd stage Granular Activated Carbon (GAC) filter (FG15) includes special carbon media that filters out impurity in the water, which can protect and prolong the lifespan of the reverse osmosis membrane.

    Carbon Block Filter

    Carbon blockn filters can trap and absorb organic chemicals and chlorine from the water with its ability of mechanical filtration and physical adsorption. It can efficiently remove odors and bad taste.

    • Availability: In Stock
    • Model: F3
    • Manufacturer: iSpring