JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser.
We use cookies to make your experience better. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. Learn more.
The OmniFilter K4 Replacement O-rings pack contains the following four o-rings: •1 Blue K4: fits OB3, SFM2 Series A, CBF1, CBF3 Series A, OT32 Series A, RO2000, R14, CBF20 and OB1. •1 Black WC9-13: fits white-head OB5 and OCT2. •1 Black OK40: fits OB1 Series A, OB5 Series A, R12 Series A and U25 Series E. •1 Black OK30: fits CBF1 Series A, CBF3 Series B, OT32 Series B, SFM2 Series B, RO2000 Series B Be sure to order Dow 111 Silicone Sealant to Prevent Leaks.
Omnifilter
O-Rings & Sealant