The Pentair EC-180009 FNS Plus 60 sq ft D.E. Filter is a high-capacity vertical grid diatomaceous earth filtration system engineered for superior residential pool water clarity. Featuring 60 square feet of effective filtration area and curved grid elements, this filter captures particles as small as 5 microns for exceptional water clarity. Its fiberglass-reinforced polypropylene tank and optimized internal flow design provide long-term durability and efficient hydraulic performance.

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Key Features

• 60 sq ft vertical grid D.E. filtration area for fine particulate removal down to 5 microns.
• Rated flow rate of 120 GPM for high-capacity residential circulation systems.
• Fiberglass-reinforced polypropylene tank for exceptional strength and corrosion resistance.
• Curved grid design maximizes filtration surface area and minimizes flow restriction.
• High Flow manual air relief valve with continuous internal air bleed system.
• Easily removable grid pack simplifies maintenance and servicing.
• 1½" drain port for efficient cleanout and complete draining.
• Maximum working pressure rated at 50 psi.

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Product Overview

The Pentair EC-180009 FNS Plus 60 sq ft Vertical Grid D.E. Filter is designed to deliver high-efficiency filtration for larger residential pool systems. With 60 square feet of filtration surface and a rated flow of 120 GPM, it supports high turnover capacity while maintaining consistent water clarity. The curved vertical grids increase usable filter area and reduce hydraulic resistance, helping lower energy consumption compared to conventional designs.

Constructed from chemical-resistant fiberglass-reinforced polypropylene, the FNS Plus tank is engineered for long service life in outdoor pool environments. The internal air relief system and High Flow manual air relief valve work together to maintain optimal filtration efficiency and safe operation. The removable grid assembly allows simplified cleaning and maintenance, while the secure clamp ring closure ensures reliable sealing under operating pressure. Designed for use with standard D.E. media, the EC-180009 provides superior filtration performance for residential pool installations requiring high-capacity clarity and durability.