Large selection of replacement water filters, reverse osmosis membranes, testing kits and water filter system repair parts. From one water filter or membrane to case quantity discounts.

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KX Matrikx 10" L  X  2  3/4" Extruded Carbon Block Water Filters

KX Matrikx 10" L X 2 3/4" Extruded Carbon Block Water Filters

KX Matrikx ® 10" X 2 3/4" Replacement Carbon Block Water Filters For Filtration Pure Drinking Water Systems

KX Matrikx Big Blue Water Filters

  1. KX Matrikx + CTO-2 Carbon Block Water Filter- 1000
    KX Matrikx ® +CTO/2 Carbon Block Water Filter # 32-250-125-975
    KX Matrikx ® +CTO/2 # 32-250-125-975 5 Micron Extruded Carbon Block Water Filter. The Workhorse. 9 3/4" long X 2 1/2" diameter OD X 1 1/4" diameter ID. 20 per case, sold individually. Order a case and save even more.
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    $17.99 Special Price $9.99 As low as $7.39
  2. KX Matrikx ® PB1 Carbon Block Water Filter # 06-250-125-975
    KX Matrikx ® PB1 Carbon Block Water Filter # 06-250-125-975
    KX Matrikx ® PB1 # 06-250-125-975 .5 Micron Extruded Carbon Block Water Filter. Lead, Cyst, Giardia and Crytosporidim Reduction. 9 3/4" long X 2 1/2" diameter OD X 1 1/4" diameter ID. 20 per case, sold individually. Order a case and save even more.
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    $23.99 Special Price $15.99 As low as $11.99
  3. KX MATRIKX CTO + 3 - #15-250-125-975- 1000
    KX CTO+3 #15-250-125-975 KX MATRIKX CTO + 3 Carbon Block Replacement Water Filter
    KX MATRIKX CTO + 3 Extruded Carbon Block Water Filter provides optimal chlorine taste and odor reduction and high chemical adsorptive capacity. #15-250-125-975
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    $15.99
  4. KX Matrikx ® +1 Carbon Block Water Filter # 01-250-125-975 (KX CTO Plus #01-250-10-Green, PLUS CTO)
    KX Matrikx ® +1 Carbon Block Water Filter # 01-250-125-975 (KX CTO Plus #01-250-10-Green, PLUS CTO)

    KX Matrikx ® KX CTO Plus #01-250-10-Green / CTO PLUS / Matrikx +1 # 01-250-125-975. THE PLUS 1/CTO PLUS HAS BEEN DISCONTINUED AND REPLACED WITH THE CTO PLUS GREEN. IF YOU ORDER THE PLUS 1/CTO PLUS YOU WILL RECEIVE THE CTO PLUS GREEN. Extruded Carbon Block Water Filter. 9 3/4" long X 2 1/2" diameter OD X 1 1/4" diameter ID. 20 per case, sold individually. Order a case and save even more.

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    $19.99
  5. KX CTO-10-Matrikx # 32-250-10-Matrikx Replacement Water Filter
    KX CTO-10-Matrikx # 32-250-10-Matrikx Replacement Water Filter

    KX_CTO-10-Matrikx 32-250-10-Matrikx 2¼” X 9¾” MATRIKX® CTO® filters, powered by GREENBLOCK®, are made using 100% coconut shell carbon, a renewable, and ecologically sustainable material. The carbon is processed into blocks using a unique binder system and proprietary manufacturing techniques to produce filters with a greater number of micro-pores and available carbon surface area, which display superior capacity kinetic dynamics.

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    $9.99
  6. KX Matrikx ® PB1-10 Matrikx Carbon Block Replacement Water Filter # 06-250-10 Matrikx
    KX Matrikx ® PB1-10 Matrikx Carbon Block Replacement Water Filter # 06-250-10 Matrikx

    KX Matrikx ® PB1-10-Matrikx # 06-250-10-Matrikx .5 Micron Extruded Carbon Block Water Filter. Lead, Cyst, Giardia and Crytosporidim Reduction. 9 3/4" long X 2 1/2" diameter OD X 1 1/4" diameter ID. 20 per case, sold individually. Order a case and save even more.

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    $23.99 Special Price $15.99 As low as $11.99
  7. KX ChloraGuard 10 Matrikx # 36-250-10-Matrikx
    KX ChloraGuard 10 Matrikx # 36-250-10-Matrikx

    KX ChloraGuard 10" Now with enhanced Chloramine reduction #36-250-10-Matrikx  2 3/4" x 9 3/4".  MATRIKX - CHLORAGUARD Activated Carbon Block Filter For Chloramine, Chlorine, Taste, Odor And VOC Reduction

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    $19.99

Be sure to check our Parts Department for important parts such as TDS Testers For Reverse Osmosis Membranes, Replacement Tanks, O-rings , Filter Housing Wrenches, Faucets, Pumps, Fittings, UV Systems and more parts for your reverse osmosis pure water filtration system.   View maintenance and servicing tips online at our Installation & Trouble shooting Guide.





* KX Matrikx is the registered trademark of KX Matrikx, the manufacturer of KX Matrikx brand of under counter drinking water system filtration equipment. The replacement water filter cartridges, reverse osmosis membranes, water tanks, faucets and repair parts listed above are not manufactured or endorsed by KX Matrikx. Rather, these replacement filters, RO reverse osmosis membranes and DIY replacement parts are manufactured by other companies. While these replacement water filters, repair parts and reverse osmosis membranes are compatible for use in KX Matrikx under counter reverse osmosis water filtration equipment, we make no representation as to whether using these water filter cartridges and RO reverse osmosis membranes is consistent with the warranty and specifications applicable to KX Matrikx under sink drinking water system equipment.