5 Pack U25, OB1, OK25 O-ring Replacements
5 Pack replacements of OK25, U25, OB1 O-ring is designed to create a tighter seal in your standard filtration system. The O-Ring should typically be replaced every third filter cartridge change.
- TORK Distributors Compatible with 5 Pack OK25, U25, OB1 OmniFilter O-Ring Replacements
- Size: 3/16" thickness x 4 1/8"
- Quality TORK Replacement Parts
- **These will not fit the U25 E Series system as that one requires a thinner o-ring.**
- Compatible with OMNIFilter standard housings and most other standard size housings