For use in Big Blue whole house water filtration system housings, the OR-100 Tier1 lubricated O-ring helps ensure a tight seal between your system’s housing sump and cap, preventing risk of leakage. For best results, use silicone lubricant when installing this part and replace every two filter changes. Stock up on the O-rings your Big Blue housing needs by adding the OR-100 from Tier1 to your cart today. Place your order by 4pm CST for same day shipping.
- Ships fast!
- Provides a tight seal in your system, reducing risk of leaks
- Replace with every two filter changes for best results