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Home > Water Filter Cartridges > Bestfilters Filters
KDF/GAC & 1u Carbon Block Replacement Cartridge Set
KDF/GAC and Matrikx Pb-1 Replacement Water Filter.
KDF/GAC & 1u Carbon Block Replacement Cartridge Set
Item Id: WR004
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KDF/GAC & Matrikx Pb-1 Replacement Water Filter Set

Includes both the GAC/KDF Water Filter & 1u Matrikx Pb-1 Carbon Block Water Filters for the Under Sink Two Stage System and the final 2 filters for the Undercounter 3 stage Water Filter with sediment filterm

Contains a KDF/GAC filter cartridge and a Matrikx Pb-1 filter cartridge and will fit most standard 10" filter housings. Designed to be an optimal configuration for any twin countertop or undercounter water filter system.

Customer Reviews
Twin under sink
  Great value, makes clean tasting water.
  Reviewed by:  Debra Grimm from Portland OR. on 4/30/2015
  have used these filters and system for many years nines years I think. Bottom line, our tap water smells like you are drinking from a beach bottle. Filtered with this product no hint of odor or taste. We don't drink ice water, room temp (once you get hooked on it you will never go back). Luke warm water can taste stale, old room temp water can taste very stale, but have never experienced it with these filters. Well built, heavy duty!
  Reviewed by:  Steven Kjeldgaard from Newman Lake, Washington. on 12/24/2014
It's great to have aditonal original filters in the house.
  When I bought my new water filter I also purchased a couple of sets of replacements so I would have them in stock (an the shipping at the time was free). So I stocked up and now I KNOW I've got the right filters waiting for when I will need them. Events happen, our municipal water supplies are subject to industrial waste spills and other catastrophes that will necessitate replacing one's water filters. I encourage everyone to have a couple sets of back up filters ready for such and eventuality. It's a matter of time, not "if". Being prepared for life is a big help in dealing with it. Best Filters helps me stay prepared. Best filters has consistently provided top notch service and warranty support to me over almost 15 years in two states. I could not be happier with a company.
  Reviewed by:  Wedemay from Oregon Coast. on 4/27/2014
  Great product. Takes the city water taste out of our drinking water and that makes the best coffee in town. We have been using this product for 15 years now and would not purchase anything else.
  Reviewed by:  Donald Cooley from Boise, Idaho. on 3/26/2014
Great filters
  We've been using these for over 10 years. Once you let water run through them for 10 or 15 minutes, they do a great job of removing the chlorine and sulfur tastes from our water!
  Reviewed by:  Mike K. from Seaford, NY. on 9/19/2013
Home owner
  We have "pasteurized" water here, the root word is however, not Pasteur, more like pasture! The first time I filled the hot tub I had two horse hair worms swimming happily about! I need a filter and the water from your filters tastes sweet with no hint of chlorine. The 0.5 micron filter is welcome for possible Cryptosporidium as well as Giardia. I also use ozone treatment and the carbon filter even takes out the "just after a thunder storm" smell. Thank you for a great product!
  Reviewed by:  Gary Risner from Montague,CA. on 4/9/2013
KDF/GAC filters
  Noticed a fishy taste and smell to the water when filters were initially installed into the supply line for my fridge. Had to continually run water through the filters for a substantial amount of time to flush out the taste and smell.
  Reviewed by:  Jim from New Jersey. on 10/3/2012
Good filters
  The filters are fine. I'm a repeat customer. I am disappointed, however, that email to customer service went unanswered.
  Reviewed by:  Robert Hall from CA, USA. on 9/28/2012
Good product
  Around 8 years ago someone installed a Best Filter system for me. I didn't understand the requirements of maintaining it. Recently I noticed that although I didn't taste chlorine the water didn't taste pure and sweet. Looking at the filter canisters I found Best Filter's name and located it online, then ordered the KDF/GAC Water Filter Pb-1 Replacement Water Filter Set. I found instructions on Youtube for changing the cartridges and immediately my water tasted pure and fresh again. Relief!!
  Reviewed by:  Darlene from Pennsylvania. on 8/4/2012
  awesome filter
  Reviewed by:  Matthew from NYC. on 7/18/2012
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