Pentair | 59023300 | Full Grid Assembly | For FNS Plus 60 DE Filter

Pentair 59023300 is a full grid assembly designed for FNS Plus 60 square foot D.E. filter systems. This replacement internal filter element supports diatomaceous earth media coating and debris capture during normal circulation. It is used to restore filtration performance when the original grid assembly becomes worn, clogged, torn, or damaged in compatible pool and spa filter equipment.

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Key Features

• Pentair 59023300 is a replacement full grid assembly designed for compatible FNS Plus 60 square foot D.E. filter systems.
• This internal filter element provides the surface structure needed for D.E. media coating and effective debris filtration.
• Replacing a worn or damaged grid assembly can help restore proper internal filtration performance and flow characteristics.
• The grid is intended for pool and spa filtration systems that use a vertical D.E. grid design inside the filter tank.
• This part is commonly used during routine maintenance, internal filter rebuilds, and service repairs on existing equipment.
• Proper grid condition is important for capturing suspended particles while maintaining dependable circulation through the system.
• The assembly is designed to fit as part of the internal filter structure in compatible Pentair FNS Plus units.
• This replacement component helps support long-term serviceability and reliable operation of D.E. filtration equipment.

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Product Overview

The Pentair 59023300 Grid Assembly for FNS Plus 60 is an internal replacement filter component used in compatible 60 square foot diatomaceous earth filtration systems. Its function is to provide the structure that holds the D.E. coating used to trap fine debris as water passes through the filter. When an original grid becomes torn, clogged, weakened, or otherwise compromised, replacing it is an important step in restoring proper system performance.

In D.E. filter systems, the condition of the grid assembly directly affects filtration efficiency, water clarity, and internal flow balance. A properly fitted replacement grid helps maintain dependable operation and supports the overall integrity of the filter’s internal assembly. This part is well suited for pool owners, technicians, and service professionals performing scheduled maintenance, targeted repairs, or full filter rebuilds on compatible FNS Plus 60 equipment.