Pentek (151122) Replacement O-Ring for #10 or #20 Big Blue Filter Housing Hanna (HI8633) Multi-Range Conductivity Meter or any sign of wear

or any sign of wear during routine filter changes

Higher flow applications require more frequent replacement

caustic soda

NSF Certified

or cracked O-ring is the most common source of leaks in filter housings

Pentek (151122) Replacement O-Ring for #10 or #20 Big Blue Filter Housing Hanna (HI8633) Multi-Range Conductivity Meter or any sign of wearThe 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)