The OmniFilter OK7 is the replacement O-Ring for the Omni Filter BF7 whole house water filter system. This kit also includes an OmniFilter OK50 O-Ring, which fits the newer OmniFilter BF7 Series A.
To avoid confusion, OmniFilter packages these o-rings together to ensure you get the appropriate o-ring for your system.
This product was known previously as model numbers OK7-R-01 and OK7-R-02 and is now known by model number OK7-S6-05.
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