Bring your 48 square feet Pentair FNS Plus filter back to like-new condition with this authentic OEM lid assembly. Manufactured to Pentair's exacting standards, this replacement lid delivers a solid, pressure-tight closure and proper water channeling throughout the tank — essential for getting the most out of your pool or spa's filtration system over the long haul.

Key Benefits

• Genuine OEM Component: Engineered as a direct drop-in replacement for the Pentair FNS Plus 48 Sq. ft Filter, eliminating any compatibility concerns during installation.
• Protect Your Budget: Proactively replacing a cracked or degraded lid prevents costly water loss and potential equipment damage, offering long-term savings and reliable peace of mind.
• User-Friendly Replacement: The intuitive design enables both homeowners and pool technicians to complete the lid swap quickly, with no specialized tools or expertise required.
• Weatherproof Durability: Engineered from high-performance materials that resist cracking, fading, and chemical erosion — delivering unwavering strength in even the most demanding outdoor environments.

Compatibility

• Pentair 48 sq. ft FNS Plus Filters: 180008

Specifications

• Brand: Pentair
• Part Number: 170021

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