These high quality, super absorbent foams are custom designed to fit inside the Laguna Pressure-Flo Filters making them very easy to install. PT1738 - Pressure Flo Foam Set (5pk) is suitable for the following Laguna models: Laguna Pressure Flo 12000 Laguna Pressure Flo 14000 Laguna Pressure Flo 17000 Laguna Pressure Flo 21000.
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