K4 O-Ring for SFM2, CBF1, CBF3, OT32, RO2000, USM2

Your Price: $9.95
Part Number:WFOM-K4

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Replacement O-Ring For Omni Filter Housings.
Comes with 4 different size O-Rings - three black and one blue.
For use with many different Omni Filter systems. 
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