Tier1 Replacement for Culligan, OR-34 Lubricated 4-Inch O-Ring fits Standard Housings

A replacement part designed for use in most standard whole house water filtration systems, the OR-34 Tier1 O-ring helps to reduce risk of leakage in your housing. Measures 4 inches in outside diameter. For best results, use silicone lubricant when installing and swap out with every two filter changes. Order the replacement OR-34 Tier1 O-rings your system needs to provide you with leak-free performance by adding this to your cart now. Order today!Big Blue 10 & 20 Inch Whole House Lubricated O-Ring