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Healthy Home Water Filters and Replacement Cartridges

Undersink Water Filter – Model CBF1
Model CBF1 uses the leading carbon block technology to filter Giardia and Cryptosporidium cysts from your drinking water. The carbon block filter cartridge is also great at removing chlorine and odors so you get great tasting water from a dedicated faucet right in the sink.


Included with Model CBF1 Filter System is:
Each box contains installation hardware, a long-reach dedicated faucet, pressure release valve, wrench, mounting bracket, saddle valve, and a CB1 filter cartridge. Change tank O-ring with every second filter cartridge change.
CB1 filter cartridge, K4 O-ring and OW30 Wrench.
Additional cartridges and parts sold separately.   

Change tank O-ring with every 3rd filter cartridge change.
Cartridges: CB1
OW1 wrenchK4 o-ring
CBF1 Series C (Current Version)
Cartridges: CB1
OW30 wrenchK4 o-ring

This unit uses integrated quick connect fittings for 1/4″ plastic water tube.
If you need connections or fittings for 3/8″ tubing, order below, call or chat.

CBF1 Water Filter System

comes with CB1 filter cartridge.
o-ring and tank wrench

Our Price

Compare Cartridges


Help – What do I need? 

  CB1A  $21.99
  CB1B  $21.99
  CB1C  $21.99

(if selected above)

** We recommend using fresh
Lubricant with every
cartridge change
and every o-ring change.


Help – What Oring do I need?

plumbing fittings 

  K4 O-ring + $9.69

 O-Ring Lubricant $.49
** Adding Lubricant.

  Connection Fittings
1/4″ to 3/8″ Tubing

(if selected above)



– Help –
What wrench do I need?

  Universal Strap Wrench
+ $19.99 (fits all Omni filters)
  OW1 Wrench + $19.99
(Strap Wrench fits all Omni filters)
  OW30 Wrench + $7.99

(if selected above)


NOTE: California Residents
Due to California Law, we are unable to sell California residents the Omnifilter CBF3.
See the NEW Undersink Water Filters Certified For Sale In California

Installation Information

Model CB1
Filter type Carbon Block
Reduces: Rust & Sediment (Class I)
Removes: Odor & Chlorine (99.95%)
Removes: Cryptosporidium & Giardia Cysts (99.99%)
Benefits Removes harmful Cryptosporidium and Giardia cysts in drinking water. Also removes chlorine and odors to give you great tasting water.
Average Cartridge Life 1 12 mos or 1,000 gal
Flow Rate2 1.0 gpm
Micron Rating3 0.5

1 Usage and the quality of water in your incoming line determine when your cartridge should be changed.
2 Gallons per minute.
3 The smaller the micron, the finer the filtration.

  Purchase  Replacement Cartridge singles or multi-packs.Alternate Up-Grade Replacement Cartridge for Model CBF1 –  CB1  or   


Click On Links For  and  Information

Installation Information


Also called CBF1 or CBF 1 undersink water filter



Not for sale in California

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