Replacement water filters, RO reverse osmosis membranes and whole house filter systems. Refrigerator water filters, pool and spa filter. Pentek, OMNIFILTER water filters. Chiller Daddy water chillers

Search
Cart ()
Order Tracking
Reorder
Toggle Nav
Home
Replacement Water Filters
Reverse Osmosis Systems
Whole House Water Filters
Refrigerator Water Filters
Water Testing
Pool and Spa Filters
Boat & RV Water Filters
Parts Department
Water Chillers
Installation and Trouble Shooting Guide
Specialty Water Filters
Well Water
Gift Guide
Toggle Nav
Cart ()
Order Tracking
Search
Advanced Search
Menu
Menu
Account

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.

LOW PRICES and FAST SHIPPING SINCE 1999 !

99.5% Of All Items In Stock For Same Day Shipping!

KX Matrikx Green Block 10" L X 4 1/2" Diameter Big Blue

KX Matrikx Green Block 10" L X 4 1/2" Diameter Big Blue

KX Matrikx ® 10" Big Blue Replacement Carbon Block Water Filters For Filtration Pure Drinking Water Systems

KX Matrikx Big Blue Water Filters

  1. KX Matrikx ® +1 Big Blue Carbon Block Water Filter # 01-425-125-975
    KX Matrikx ® +1 Big Blue Carbon Block Water Filter # 01-425-125-975
    KX Matrikx ® +1 # 01-425-125-975 .6 Micron Big Blue Extruded Carbon Block Water Filter. 9 3/4" long X 4 1/2" diameter . 9 per case, sold individually. Order a case and save even more. Learn More
    $47.99 Special Price $34.99 As low as $29.99
    Add to Wish List Add to Compare
  2. KX Matrikx ® +CTO/2 Big Blue Carbon Block Water Filter # 03-425-125-975 & 32-425-125-975
    KX Matrikx ® +CTO/2 Big Blue Carbon Block Water Filter # 03-425-125-975 & 32-425-125-975
    KX Matrikx ® +CTO/2 # 03-425-125-975 & 32-425-125-975 5 Micron Big Blue Extruded Carbon Block Water Filter. 9 3/4" long X 4 1/2" diameter . 9 per case, sold individually. Order a case and save even more. Learn More
    $39.99 Special Price $29.99 As low as $25.99
    Add to Wish List Add to Compare
  3. KX Matrikx ® PB1 Big Blue Carbon Block Water Filter # 06-425-200-975
    KX Matrikx ® PB1 Big Blue Carbon Block Water Filter # 06-425-200-975
    KX Matrikx ® PB1 # 06-425-200-975 .5 Micron Big Blue Extruded Carbon Block Water Filter. Lead, Cyst, Giardia and Crytosporidim Reduction. 9 3/4" long X 4 1/2" diameter . 9 per case, sold individually. Order a case and save even more. Learn More
    $69.99 Special Price $54.99 As low as $47.99
    Add to Wish List Add to Compare
  4. KX CTO Plus 10BB Green # 01-450-10 Green
    KX CTO Plus 10BB Green # 01-450-10 Green

    KX_CTO-Plus 10"BB Extruded Carbon Block Water Filter Now with enhanced capacity for VOC reduction #01-450-10-Green

    Learn More
    $29.99
    Add to Wish List Add to Compare
  5. KX CTO-10BB Green # 32-450-10 Green Big Blue
    KX CTO-10BB Green # 32-450-10 Green Big Blue
    KX_CTO-10BB-Green 32-450-10-Green 4¼” 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. Learn More
    $19.99
    Add to Wish List Add to Compare
  6. KX Matrikx ® PB1-10BB-Green Big Blue Carbon Block Water Filter # 06-450-10-Green
    KX Matrikx ® PB1-10BB-Green Big Blue Carbon Block Water Filter # 06-450-10-Green
    KX Matrikx ® PB1-10BB-Green # 06-450-10-Green .5 Micron Big Blue Extruded Carbon Block Water Filter. Lead, Cyst, Giardia and Crytosporidim Reduction. 9 3/4" long X 4 1/2" diameter . 9 per case, sold individually. Order a case and save even more. Learn More
    $69.99 Special Price $54.99 As low as $47.99
    Add to Wish List Add to Compare
  7. KX ChloraGuard-10BB Green # 36-450-10-Green Big Blue
    KX ChloraGuard-10BB Green # 36-450-10-Green Big Blue

    KX ChloraGuard 10"BB Now with enhanced Chloramine reduction #36-450-10-Green

    Learn More
    $59.99
    Add to Wish List Add to Compare
KX Matrikx Green Block 10
KX Matrikx Green Block 10" L ...

KX Matrikx Green Block Big Blue Water Filters For Reverse Osmosis RO Filtration Pure Drinking Water Systems. Large inventory and express order processing. Low prices and fast shipping online since 1999. Volume discounts.

More
KX Matrikx Green Block 20
KX Matrikx Green Block 20" L ...

KX Matrikx Carbon Block Water Filters For Reverse Osmosis RO Filtration Pure Drinking Water Systems. Large inventory and express order processing. Low prices and fast shipping online since 1999. Volume discounts.

More
KX Matrikx Green Block 20
KX Matrikx Green Block 20" L ...

KX Matrikx Carbon Block Water Filters For Reverse Osmosis RO Filtration Pure Drinking Water Systems. Large inventory. Low prices and fast shipping online since 1999. Volume discounts.

More
KX Matrikx Green Block 10
KX Matrikx Green Block 10" L ...

KX Matrikx Green Block Water Filters For Reverse Osmosis RO Filtration Pure Water Systems. Low prices and fast shipping online since 1999. Volume discounts.

More

Be sure to check our Parts Departmentfor important parts such as TDS Testers, Replacement Tanks, O-rings,Housing Wrenches and more parts for your pure water filtration system.

SEE OUR ONLINE HELP GUIDE

Compare Products
  1. Remove This Item
Compare
Clear All
You have no items to compare.
My Cart

  1. ​

Filter Change Email Reminder

My Wish List
Last Added Items
  1. Add to Cart
    Remove This Item
Go to Wish List
You have no items in your wish list.