The Unicel 18" Filter Grid FG-1003 is a universal filter specifically designed to fit popular filter models from American, Hayward, PacFab, Pentair, Astral, and Sta-Rite. Its durable polyester material is mildew resistant and provides superior filtration for cleaner, clearer water. Upgrade to the Unicel FG-1003 for longer-lasting performance and improved water quality.
Length: 18"
Width: 11"
Square Ft.: 36 sq ft