Pentek (151122) Replacement O-Ring for #10 or #20 Big Blue Filter Housing Lead Removal1829 Chemical-free treatment process that's backwashable

Chemical-free treatment process that's backwashable and long-lasting

Electrode Type ORP (Oxidation-Reduction Potential) Sensor Technology Platinum band sensor for stable

or reverse the fitting and connect to a standpipe for submersion configurations in open tanks or sumps

Requires standard 4-inch diameter pressure vessels rated for at least 300 psi

Automated Chemical Feed for Consistent Water Treatment

Pentek (151122) Replacement O-Ring for #10 or #20 Big Blue Filter Housing Lead Removal1829 Chemical-free treatment process that's backwashableThe Pentek 151122 O Ring is an FDA grade Buna N replacement seal engineered for Big Blue and Heavy Duty filter housings across major brands. This 5. 5 inch inner diameter ring ensures a leak proof seal when properly lubricated and installed according to manufacturer guidelines. SPECIFICATIONS Pentek 151122 O Ring Technical Details Model Number Pentek 151122 Material FDA Grade Buna N (Nitrile Rubber) Inner Diameter (ID) 5. 5 inches Outer Diameter (OD)