Home / Filters & Cartridges / Carbon Filters / OmniFilter CB3 Undersink Carbon Block Water Filter
OMNIFilter, Flotec

OmniFilter CB3 Undersink Carbon Block Water Filter

Part Number: CB3
Alt. Part Number: CB3-SS6-05, CB3-SS4-S18
Subscription details

How subscriptions work

Products are automatically delivered on your schedule. No obligation, modify or cancel your subscription anytime.

Learn more...
Your price:
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: 400 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
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

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

Compatible with:
California residents Prop 65 Warning
This product contains materials known to the State of California to cause cancer and birth defects or other reproductive harm. www.p65warnings.ca.gov