The Pentair EC-180008 FNS Plus DE Filter provides superior water clarity for residential pools and spas, using diatomaceous earth (DE) to trap the smallest particles. With a 48 sq ft filtration area, this filter delivers powerful, efficient cleaning while maintaining consistent water flow.

Key Features

• 48 sq ft Filtration Area – Ideal for medium-to-large residential pools and spas

• Diatomaceous Earth Filtration – Removes particles as small as 5 microns for sparkling water clarity

• Fiberglass-Reinforced Polypropylene Tank – Corrosion-resistant for long-lasting durability

• Easy-Access Clamp Ring – Simplifies service and maintenance

• High Flow Rate – Maintains efficient circulation with minimal resistance

• Integrated Internal Air Relief – Automatically releases trapped air for optimal operation

• Long Service Life – Built with heavy-duty materials for years of reliable performance

Product Overview

The Pentair EC-180008 FNS Plus 48 sq ft DE Filter delivers unmatched filtration performance for residential pools and spas. Using a diatomaceous earth medium, it captures the finest debris, providing crystal-clear water that cartridge and sand filters can’t match. The heavy-duty, fiberglass-reinforced polypropylene tank resists corrosion and wear, while the easy-access clamp ring design makes routine maintenance simple.

The FNS Plus is engineered for maximum efficiency, with a high flow rate that supports optimal pool circulation. An internal air relief system helps maintain consistent performance, automatically releasing trapped air from the tank. This filter is a trusted choice for pool owners who demand exceptional water clarity, durability, and low-maintenance operation.