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Pentair Diatomaceous Earth Filters & Valves Header

Pentair FNS Plus Diatomaceous Earth Filters & Accessories
Diatomaceous earth is a porous powder with microscopic openings that when magnified look like tiny sponges. Clear water can pass through these openings, but particles, as small as two to five microns, are trapped during the first pass through the media. D.E. filters have internal elements that become coated with D.E. It is this 'filter cake' that strains dirt, dust and algae from the water. Similar to sand filters, when D.E. filters become dirty, they are cleaned either by backwashing, or regenerating and draining the clogged D.E. to the 'waste' line. To restore filtration, a fresh 'charge' of D.E. is added to the filter. For sparkling, clean pools; step up to Hayward D.E. filters.
Pentair FNS Plus D.E. Filters & Accessories
Pentair FNS Plus D.E. Filters

Pentair FNS Plus D.E. Filters
FNS Plus Filters feature the same, superior curved grid design as the FNS, but with a fiberglass reinforced polypropylene body for advanced chemical resistance and superior strength.
  • Superior strength
  • Service-Ease grid pack
  • Continuous High Flow internal air relief
  • Top-to-bottom backwash
  Pentair FNS Plus D.E. Filters
Pentair FNS Plus Valves

Pentair FNS Plus Valves
In addition to providing the clearest possible water, FNS Plus was also designed for easy maintenance and long-term reliability. So you can count on it to keep your pool water clean and crystal clear for years to come.
  Pentair FNS Plus Valves
D.E. Filter Replacement Grids

D.E. Filter Replacement Grids
Our filter grids from Unicel are designed for Diatomaceous Earth filter applications. All grids are constructed with a reinforced center core for added durability. Seams are stitched with heavy duty, chemical resistant string and are sonic welded to prevent fraying. Make the switch and notice the difference.
  D.E. Filter Replacement Grids

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