Description
- Fits Pentek CLEAR Big Blue 4.5-inch filter housings
- Approximate Dimensions:
- OD:5-11/16 inches
- ID:5 1/2 inches
- Thickness: 1/8 inch
- Part Number 151362 or Round BB BUNA-N
Replacement O-ring for Pentek Clear** sumps. Pentek recommends replacing O-rings with every filter change to ensure a water-tight seal.