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Note: The diameter of the CB1 has been changed from 2.72" (Series A) to 2.87" (Series B). The larger diameter CB1 (Series B) may not fit some older Omnifilter housings. Omni recommends housings over 10 years old should be replaced for general safety and performance reasons. If your current housing is not compatible with the new CB1 (Series B), we recommend purchasing a OmniFilter CBF1 Undersink Water Filter System.
The current CB1 (Series B) is NOT compatible with the following housings:
The alternative OmniFilter GAC1 Undersink Carbon Water Filter is a correct size filter compatible with the previously listed models. NOTE: The GAC1 has a micron rating of 20 compared to the CB1 micron rating of .5.
The OmniFilter CB1 Undersink Carbon Block Water Filter reduces sediment and rust particles, as well as 97.5% of chlorine taste and odor and Cryptosporidium Giardia cysts. This 10 inch water filter features carbon block media and a service life of 1,000 gallons and fits the OmniFilter CBF1 water filter system and also replaces the Whirlpool WHCF-DB1 filter. This is the correct replacement filter for the following OmniFilter Systems:
This 0.5 micron water filter is known by previous model numbers CB1-R-01 and CB1-R-02 and by current model number CB1-SS6-05.