The Pentair EC-180007 FNS Plus 36 sq ft D.E. Filter is a high-efficiency vertical grid diatomaceous earth filtration system engineered for superior residential pool water clarity. Featuring 36 square feet of effective filtration area and curved grid elements, this filter removes particles as small as 5 microns. Its fiberglass-reinforced polypropylene tank and internal air relief system deliver durable, reliable performance with optimized hydraulic efficiency.

────────────────────────────────────────

Key Features

• 36 sq ft vertical grid D.E. filtration area for fine particulate removal down to 5 microns.
• Rated flow rate of 72 GPM for balanced residential circulation performance.
• Fiberglass-reinforced polypropylene tank for exceptional strength and chemical resistance.
• Curved grid design maximizes filtration surface area and minimizes flow restriction.
• High Flow™ manual air relief valve and continuous internal air bleed system.
• Easily removable grid pack simplifies maintenance and cleaning.
• 1½" drain port for efficient cleanout and 100% draining capability.
• Maximum working pressure rated at 50 psi.

────────────────────────────────────────

Product Overview

The Pentair EC-180007 FNS Plus 36 sq ft Vertical Grid D.E. Filter is engineered to deliver crystal-clear pool water through highly efficient diatomaceous earth filtration. The vertical grid configuration and curved grid design increase usable filtration surface while reducing hydraulic resistance, helping lower pumping energy requirements. With a rated flow of 72 GPM and a turnover capacity of up to 43,200 gallons in 8 hours, this filter supports dependable residential pool performance.

Constructed with a chemical-resistant fiberglass-reinforced polypropylene tank, the FNS Plus is built for long-term durability in outdoor pool environments. The internal air bleed system and High Flow™ manual air relief valve work together to maintain efficient filtration and prevent overpressurization. The removable grid pack allows straightforward servicing, while the heavy-duty clamp ring closure ensures secure sealing during operation. Designed for use with standard D.E. media, the EC-180007 provides superior clarity, efficient flow, and long-term reliability for residential pool systems.