OMNIFilter’s K4 Undersink drinking water O-ring kit is for use with OMNIFilter filter housings OT32, CBF1, CBF3, USM3, SFM2, OCT2, RO2000 and RO2050. Kit contains O-rings that fit most Culligan and DuPont Undersink filter systems. Kit contains 4 different sized O-rings and silicone lubricant.
FEATURES
- Replacement O-ring kit for under sink systems.
- Make filter changes easier by replacing the O-ring at least once a year.
- For use on OMNIFilter CBF1, CBF3, SFM2, USM2, OCT2, OT32, RO2000, RO2050 and U30 housings.
- Fits OMNIFilter, DuPont and Culligan under sink filter systems.





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