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OmniFilter GAC1 Undersink Carbon Water Filter


OmniFilter GAC1 Undersink Carbon Water Filter
as low as $8.45 /ea
Buy 1 - 23 for $11.90 ea.
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Product Information

The OmniFilter GAC1 Undersink Carbon Water Filter (Series C) is a replacement undersink water filter for the OmniFilter SFM2 and other OmniFilter water filter systems. This OmniFilter water filter has a 20 micron rating and replaces model numbers GAC1-SS and GAC1-DS. This powerful water filter reduces sediment and rust particles, as well as 97.5% of chlorine taste and odor.

Filter specifications:

  • Micron Rating: 20
  • Flow Rate: 1 GPM
  • Filter Life: 2,000 or 12 months
  • Dimensions: 9 3/4"x2" (10" water filter)
  • Granular activated carbon (GAC) cartridge
  • Reduces sediment, rust particles, and chlorine

This carbon filter was previously known as model number GAC1-SS6-01 and/or GAC1-SS6-05 and is now known by model number GAC1-SS4-05.

The OmniFilter GAC1-SS can be used in place of the Omnifilter CB3 Series A and is the correct replacement water filter for the following filtration systems:


  • SFM2
  • OB3
  • UC2
  • U400
  • U500
  • U600
  • U700
  • OT2
  • Omni Super
  • Omni Deluxe
  • Omni Total 2
  • Omni Total Plus


OmniFilter GAC1 Undersink Carbon Water Filter Product Reviews :

Average rating : 5 Star Rating
Number of reviews : 3
Write a review
  • 5 Star Rating  Love the gac1 filters
    Merle - Wyoming  

    I have a problem swallowing regular tap water. It causes me to choke. I can drink an entire glass of water with your filter and not have the pain or choking. The only problem I've been having is being able to find them in the stores in our area. We used to be able to purchase them at Walmart. Thank you for such a wonderful product that works.

  • 5 Star Rating  Omni Filters
    Mapla - Florida  

    These are fantastic. We have drops that we put into a glass of water that tells us how much chlorine is in the water. We tested our water and it was yellow with chlorine. With the new filter. the water is crystal clear. We have been useing these filters for a few years and won't even consider another brand.

  • 5 Star Rating  gac1 filter
    robert reed - markle, in. 46770  

    iuse one on my icemaker in the refrigerator door . i am very satisfied with the filter, and your price and service

GAC1-SS is used in the following Models
 OmniFilter SFM2
 OmniFilter OB3
 OmniFilter U500
 OmniFilter U600
 OmniFilter U700
 Omni Deluxe
 OmniFilter UC2
 OmniFilter U400
 Omni Total 2
 Omni Total Plus
 OmniFilter OT2
 Omni Super
" Happy with my item, the price, and the fast delivery of my filters! " - Sam, Atlanta, GA
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