iSpring FC25B - High Capacity 4.5" x 20" Big Blue Whole House Water Filter CTO Carbon Block, 4.5" x 20", Grey

  • Made from high-quality coconut shell carbon and individually wrapped for freshness. Tested by independent third-party to meet NSF/ANSI Standard
  • Effective reduction of sediment, chlorine, and a high removal capacity of unpleasant odors, and tastes
  • 4.5" (Dia) x 20" (Length) fits 20" Big Blue Water Filter Housings usually in whole house filter
  • Source water temperature 40F ~ 125F. Pressure impact: 5 psi drop at a flow rate of 5 gpm
  • Free tech support from Atlanta (678) 261-7611
  • $51.99
    Qty:
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    Product Description


    Size:4.5" x 20"

    Usually used as the second stage for 20 in. Big Blue whole house filters. The carbon block filter is manufactured using a continuous extrusion process. It consists of a high quality virgin premium performance Activated Carbon. It is effective in reducing free chlorine, bad taste, odor THM, Organics, hazardous chemicals, and pesticides. Depending on the inlet water quality or flow rate, it needs to be replaced every 6 months or 100,000 Gal. of water.


  • Individually wrapped for freshness
  • Lower pressure drop, no release of carbon fines, great physical strength, highly porous, high adsorption, steady flow, highly uniform, and solid structure integrity
  • Length: 20 in., O.D. = 4.5 in., I.D.= 1 in.
  • 1/4 in. fitting


    • Availability: In Stock
    • Model: FC25B
    • Manufacturer: iSpring

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