OR-100 Filter Housing O-ring, Buna-N, Black, For: HD-950, HD-950A Water Filters

For use in Big Blue whole house water filtration system housings, the OR-100 ReplacementBrand lubricated O-ring helps ensure a tight seal between your systems housing sump and cap, preventing risk of leakage. For best results, use silicone lubricant when installing this part and replace every 2 filter changes. Stock up on the O-rings your Big Blue housing needs by adding the OR-100 from ReplacementBrand to your cart today.