OmniFilter CB3 Undersink Carbon Block Water Filter

OmniFilter CB3 Undersink Carbon Block Water FilterShow Picture 1Show Picture 2
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Part Number: CB3
Alt. Part Number: CB3-SS6-05
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Neo-Pure CTOX-2510 9-7/8" x 2-1/2" Chloramine/VOC Carbon Block Filter 1 micronSelect one below to order
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OmniFilter CB3 Undersink Carbon Filter (new part number CB3-SS6-05)

The Omnifilter CB3 Undersink Carbon Block Replacement Water Filter is part of the CBF3 water system, but can be used with other systems. The OmniFilter CB3 works with most undersink water filter systems that use standard or slimline filter cartridges.

  • Micron rating: 0.5 µm
  • Flow rate: 0.5 gpm
  • Capacity: 550 gallons
  • Filter application: sediment, asbestos, CTO, lead, cysts, VOC, Cryptosporidium, mercury (Note: mercury will not be reduced if cartridge is old)

Compatible with the following housings: 
  • USM2
  • SFM2 Series B
  • CBF1 Series A
  • CBF3 Series B
  • OT32 Series B
  • OT32 Series E
  • RO2000 Series B
  • RO2050

Note: As of August 2014, the diameter of the CB3 has been changed from 2.72" to 2.87". The larger diameter CB3 may not fit some older Omnifilter housings. If your current housing is not compatible with the new CB3, we recommend purchasing a Neo-Pure RetroFit Kit

CB3 is NOT compatible with the following housings: 
  • OB3
  • SFM2
  • SFM2 Series A
  • CBF1
  • CBF3
  • CBF3 Series A
  • CBF20
  • OT32 Series A
  • OT2/U600
  • UC2/U500-OmniDeluxe
  • OT5/U700
  • SMF-5/U400 OmniSuper
  • RO2000/RO2000TDS
Also Compatible With:
Whirlpool WHCF-DB2
9-3/4" (24.8 cm)
Materials of Construction
Carbon Block
Filter Life
550 Gallons
6 to 12 Months
Filter Type
Filter Specifications
Asbestos, Chlorine/Taste/Odor, Cyst, Lead, Mercury, Sediment/Dirt/Rust, VOC
.5 µm
OMNIFilter, Flotec
Operating Conditions
0.50 gpm
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