The OK24 o-ring is compatible with older/legacy Omnifilter whole house and undersink water filter housings including: U24 (older units only that specifically call for the OK24 o-ring and not OK25 in their manual) as well as U26, BC1, OT2, OT5, Total 2, Total Plus, Omni Deluxe, Omni Regular, Omni Super, TC3, UC2, U400, U450, U500, U600, U700.
This o-ring is for the older units only that specifically call for o-ring part number U24 in their manual. Some of the newer revisions of these models take different o-rings. Please confirm in your user manual before ordering.
Approximately 3-5/8” Inside Diameter, 3-7/8” Outside Diameter, 0.14” (just over 1/8”) Thickness. Package contains three (3) o-rings.
Molded from NSF 61 certified buna-n rubber for safe and clean drinking water. Manufactured and warrantied by Captain O-Ring LLC. Proudly assembled in the USA!
Shipping takes place within 3-5 business days. If there is a problem with the shipment of the product, we will notify you via the email address you entered when ordering.
We do not currently offer free shipping. However, this may be added at some point. We apologize.
If your order has been shipped, we will add the tracking number to your order and notify you via the email address you entered when ordering.
For returns or exchanges, please contact us within 14 days of receiving the product, along with a receipt or screenshot of the purchase, and a photo of the product with the packaging or tag intact.
Trust and quality
Better Water Management. Modern Solutions.
Explore practical products designed to support cleaner, clearer, and better-managed water in everyday spaces.
