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Overview

More Surface Area for Better Filtration and Less Maintenance

FNS Plus Filters are designed with curved grids to maximize filtration area. More filter area means better performance and longer periods between cleanings. The internal design has been refined to minimize flow restrictions and, therefore, requires minimal pumping power to achieve a needed flow rate. This vertical-grid, D.E. filter is made of fiberglass-reinforced polypropylene for superior strength and reliability.


  • Superior strength
  • Service-Ease™ Grid Pack
  • Integrated Continuous High Flow™ Internal Air Relief*
  • Top-to-bottom backwash
  • High Flow Manual Air Relief Valve

*Integrated Continuous High Flow Internal Air Relief is operational only when there is unobstructed flow in the circulating system.

Note: Operating limits—Maximum continual operating pressure of 50 psi. Pool/spa (bather) applications, maximum operating water temperature (internal filter) 104° F (40° C).

Product Features

Product Components

  • OneCorrosion-resistant fiberglass tank for long life
  • Two2" plumbing connections for maximum flow
  • ThreeConveniently located 1ó" drain for easier and more efficient cleanout and 100% draining
Feature 1

Delivers Crystal Clarity

D.E. filters remove the tiniest of contaminants—particles as small as 5 microns (an average grain of sand is 1,000 microns). Just like a sponge, water can pass through, but microscopic impurities like dirt, algae and some forms of bacteria can’t.

Maximized Filtration, Minimized Costs

FNS Plus filters have been designed with curved grids to maximize filtration area. More filter area means better performance and longer periods between cleanings. Our internal design has been refined to minimize flow restrictions and, therefore, requires minimal pumping power to achieve a needed flow rate. That means lower utility costs.

Time-Tested Design

FNS Plus filters were also designed for easy maintenance, convenience and long-term reliability. So, you can count on them to keep your pool’s water clean and crystal clear for years to come.

Product Resources

FNS PLUS FILTERS
Turnover Capacity (In Gallons)
Product Model Effective Filtration Area (Sq Ft) Flow Rate2 (GPM) 8 Hour 10 Hour 12 hour D.E. Required (Lbs) Carton Qty Carton Wt (Lbs)
180006 FNSP24 24 48 23,040 28,800 34,560 2.4 1 60
1800071 FNSP36 36 72 34,560 43,200 51,840 3.6 1 70
1800081 FNSP48 48 96 46,080 57,600 69,120 4.8 1 80
1800091 FNSP60 60 120 57,600 72,000 86,400 6 1 90
FNS PLUS VALVE OPTIONS(2)
Product Model Carton Qty. Carton Wt. (Lbs.)
263079 2 in. PVC Slide valve w/o bulkhead fitting 1 3
261049 2 in. HiFlow valve, no plumbing 1 7
261142 2 in. HiFlow valve with plumbing for FNS, FNS Plus, NSP filters 1 11
261152 2 in. MPV, threaded for FNS, FNS Plus, NSP filters 1 10
263064 Push pull valve, 7-1/2 in. Center, Almond PVC 1 6
261177 1-1/2 in. MPV, threaded for FNS, FNS Plus, NSP filters 1 7
263081 Vavle for D.E., inlet port on bottom, Pentair 2 in. unions glued on XF Valve 1  
270100 Valve Adapter Kit 2" Black 1  
271096 Valve Adapter Kit 2" White 1  
  • 1: Flow rate is based on 2 GPM per sq. ft. of filter area. Actual system flow will depend on plumbing size and other system components.
  • 2: Valves must be purchased separately.
ACCESSORIES
Product Description Approx. Ship.Weight (lbs)
261047 2 in. PVC Slide valve w/o plumbing, for D.E. & sand filters 3 lbs
261049 2 in. HiFlow valve, no plumbing 7 lbs
261142 2 in. HiFlow valve with plumbing for D.E. filters 11 lbs
261152 2 in. MPV, threaded for D.E. filters 10 lbs
263064 Push pull valve, 7.5 in. Center, Almond PVC 7 lbs
261177 1-1/2in. MPV, threaded for D.E. filters 7 lbs
263051 Push pull valve, 7.5" Center

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