The O-Ring Seal is custom-designed for Laguna Pressure-Flo Filters 2100, 3000, 3200, and 4000. 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 2100 (PT1504) - Laguna Pressure-Flo 3200 (PT1506) -Laguna Pressure-Flo 3000 - Laguna Pressure-Flo 4000
