Pentair Full Grid

For the compatible FNS, FNS Plus, Nautilus, and Nautilus Plus 36-inch models, you will need a total of seven grids to complete a full replacement.

This is a genuine Pentair replacement part, ensuring it meets the exact material and structural specifications required for your filter system.

This grid is designed specifically for 36-inch Pentair FNS, FNS Plus, Nautilus, and Nautilus Plus filters. You should verify that your filter housing is designed to accommodate 18-inch length grids with an open-hole end cap.

The polyester media is chosen for its durability and efficiency in trapping debris, which helps maintain consistent water clarity and extends the time between manual cleanings.

The open hole design is standard for these specific Pentair models and allows for a direct, secure fit onto the manifold. Ensure the grid is seated properly in the manifold slots to prevent bypass or leaks during operation.