Pentair 59023300 Complete DE Filter Grid Assembly – 60 Sq. Ft. for FNS Plus Filters

Key Features

• Complete Grid Set: Includes 7 full grids and 1 partial grid (small grid) preassembled on a manifold for easy installation.
• 60 Square Feet of Filtration: Engineered to maximize surface area and deliver superior water clarity for pools of all sizes.
• OEM Replacement Part: Manufactured by Pentair to fit and function perfectly in FNS Plus 60 DE filter systems.
• Durable & Long-Lasting: Constructed from high-quality, chemical-resistant materials for long-term performance.
• Pre-Assembled for Convenience: Ships fully assembled, saving you time and effort during routine maintenance or replacement.

Product Overview

The Pentair 59023300 Complete DE Filter Grid Assembly is an OEM replacement grid set designed for use with Pentair’s FNS Plus 60 square foot DE (Diatomaceous Earth) filter systems. This all-in-one assembly includes 7 full grids and 1 partial grid, all pre-mounted on the top manifold for straightforward installation. Whether you’re replacing worn-out grids or restoring your filter to peak performance, this complete set helps maintain crystal-clear pool water by capturing the finest particles DE filters are known for.

Compatible With

• Pentair FNS Plus 60 DE Filters
• Other Pentair DE filters requiring 60 sq. ft. assemblies (verify model compatibility)

Specifications

• Manufacturer: Pentair
• Part Number: 59023300
• Filtration Area: 60 square feet
• Includes: 7 full grids + 1 partial grid mounted to manifold
• Grid Length: 30 inches (approx.)
• Application: In-ground pool DE filtration systems

Installation Tips

1. Turn off the pump and relieve system pressure
2. Open filter tank and remove old grid assembly
3. Clean inside of filter tank thoroughly
4. Insert new grid assembly and ensure secure fit onto bottom manifold
5. Reassemble tank, recharge with DE powder, and restart system

Why Buy From Wild West Pool Supplies?

• Genuine Pentair replacement parts – no knockoffs
• Competitive prices on top-rated pool equipment
• Fast shipping from our U.S.-based warehouses
• Expert support and easy returns

Shipping & Returns

• Shipping: Ships within 1–2 business days with tracking included
• Returns: 30-day return policy on unused items in original packaging

Need Help With Filter Compatibility?

Have questions about your filter model or installation? Our pool supply experts are here to help. Contact us online or call (888) 657-0426 for personalized assistance.