O-ring, Pentek Big Blue® (151122)

O-ring, Pentek Big Blue<sup>®</sup> (151122)
part# or020

Fits Pentek Big Blue® filter housings for 4.5" width cartridges. Used in our Compact Whole House Filters, Large Garden Hose Filters for 4.5" width cartridges, and "Classic" Pura Ultraviolet UVBB units.

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