The O-Ring Seal is custom-designed for Laguna Pressure-Flo Filters 700 and 1400. Installed in the groove along the perimeter of the top end of the filter canister, the O-Ring provides a water-tight seal.

Suitable for:
- Laguna Pressure-Flo 700 (PT1500)
- Laguna Pressure-Flo 1400 (PT1502)