Discount Water Filters and Air Filters at Discount Filter

When we protect your filter purchase with our No Worries Guarantee, we mean it!

No Worries...
  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
  • Our customer service team is guaranteed to answer your call!
  • You’re guaranteed to find expert help!

Learn more about our No Worries Guarantee

OR-100 Tier1 Lubricated O-Ring

More Views

OR-100 Tier1 Lubricated O-Ring

Save 50% (MSRP: $9.99)

Quick Overview

Fits into 10 and 20 inch Big Blue water filtration system housings
4 16


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


Package Qty 1
Used In Brands Pentek, Tier1
Manufacturer's Id OR-100
UPC 799932614545
Actual Size (in) 5 1/2 inches (inside diameter) x 5 3/4 inches (outside diameter) x 3/16 inches (width)
Actual Size (cm) 13.97 x 14.605 x 0.47625
Color / Finish Black
Warranty Guarantee Unconditional Product Guarantee for Life of the Product

The TIER1-OR-100 is comparable with the following part numbers


Fits the Following Model Numbers