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The OmniFilter OK25 is the replacement O-Ring for the following whole house water filter system:
The OmniFilter OK25 Replacement Filter O-Ring for U25 is a replacement O-ring for the OmniFilter model U25, U26, OB1, OB5 and R12 water filtration systems. The OK25 o-ring is known by previous model numbers OK25-01 and OK25-02 and by current model number OK25-S6-05.
OmniFilter OK25 Replacement Filter O-Ring for U25 specifications: