Description:
Our unique, patented process creates a fiberglass reinforced tank with unequaled strength and durability unsurpassed for use in all high pressure applications. Curved, modular grid assembly permits maximum filtration surface in minimum area.
Trap more dirt. Clean less often.
Filtering with diatomaceous earth (D.E.) results not just in clean water, but water that really sparkles. That's because D.E. filters remove particles as small as 3-5 microns.
 Even though particles smaller than 40 microns can't be seen with the naked eye, large quantities of these microscopic contaminants have a very noticeable effect on water clarity. And D.E. strips them away. D.E. filters not only filter better, they can make your life easier...if two goals are met. First, is to maximize the filtration area. Because more filter area means much longer periods between cleanings.
Second, is to design a system that requires the least amount of pumping power to achieve a needed flow rate. Because lower pumping power means lower utility costs.
That's why all Pentair D.E. filters feature curved D.E. grids to maximize surface area. It's why their internal design has been refined over decades to absolutely minimize flow restrictions. No wonder more than 2 million Pentair swimming pool filters have been installed worldwide.
The FNS Nautilus Filters time-tested design offers you maximum performance, convenience, and reliability for year after year of sparkling clear pool enjoyment. With the FNS PLUS D.E. filter, you'll enjoy sparkling clear water from the most effective filtration system you can buy. And because they're designed to extend the time between cleanings, you can spend more time enjoying your pool.
 Featured Highlights:
▪ Maximum Pressure 50 psi
▪ Sturdy tank clamp of premium stainless steel has permanent spring mechanism to correctly indicate proper tightness for securing tank halves
▪ Water flows in bottom, up and around filter grid for even distribution of diatomaceous earth, eliminating bridging between elements and providing highly efficient filtration
▪ Exclusive grid assembly with molded-in handles lifts out easily for inspection and periodic cleaning
▪ Backwashes from top to bottom utilizing gravity for complete cleaning of accumulated dirt and D.E. powder
▪ 2 in. bottom drain assembly permits unrestricted flow when draining filter
▪ 2 in. plumbing connections allow for maximum flow.
▪ See Specifications
▪ See Owners Manual
▪ See Parts
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