The Pentair Nautilus FNS D.E. filter was designed to provide the clearest, most sparkling water possible, with ease of maintenance and long-term reliability in mind. So you can count on it to keep your pool's water clean and crystal clear for years to come.

Features of the Pentair Nautilus FNS D.E. Filters:

• Corrosion-resistant fiberglass tank for long life.
• Stainless steel tank clamp with tension indicator for secure closure of tank halves.
• Top-to-bottom backwashing for optimal cleaning efficiency.
• One year limited warranty.