Home Pool Filters Pentair Pool & Spa Filters Pentair Fiberglass D.E. Filter, FNS Plus | 24 Square Feet | 180006

Pentair Fiberglass D.E. Filter, FNS Plus | 24 Square Feet | 180006

 
$485.47

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Parts AvailableParts Available
  • Requires the use of a backwash valve or adapters (listed under purchase options)
  • High FlowTM manual air relief valve and continuous internal air relief work together to maintain efficient filtration and prevent over-pressurization.
  • Easily accessible 2" drain for efficient cleanout.
OVERVIEW
FNS® Plus Filters are fiberglass reinforced polypropylene of advanced chemical resistant materials for superior strength and reliability. The top manifold design features the Service-Ease grid pack for convenient one-at-a-time grid servicing. Filtering with diatomaceous earth (D.E.) gives you water that really sparkles. Thats because D.E. filters remove the tiniest of contaminantsparticles as small as 5 microns. (An average grain of sand is 1000 microns!) Even though these particles cant be seen individually, collectively they greatly affect water clarity.

Diatomaceous earth filters work so well because water passes through a series of D.E. coated grids. Under a microscope, D.E. looks like a collection of tiny sponges. And just like a sponge, water can pass through, but microscopic impurities like dirt, algae, and some forms of bacteria cant.

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

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 pools water clean and crystal clear for years to come.
-; Curved vertical grids provide maximum filter surface area for greater dirt-trapping capacity and longer periods between cleanings.
-; Unique internal design ensures optimum filtration and backwashing efficiency.
-; Chemical resistant, fiberglass reinforced polypropylene tank for exceptional strength and long life.
-; Easily removable filter grid pack to simplify maintenance and save you time.

Brand: PENTAIR
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$22.21
Q & A
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Browse 7 questions Browse 7 questions and 5 answers
Why did you choose this?
Pool Supply Unlimited Store
price and compatibility with existing equipment
Dan L on Dec 28, 2015
price and compatibility with existing equipment
Dan L on Dec 28, 2015
Hello, I have an old 24sqft Purex for my 750gal spa. I'm ready to purchase 180006 24soft model to replace. I'll also order the multi port #261142. Do I need to also get the threaded adapter kit #271096 or can I buy this and other PVC stuff at a HD? Thanks Glenn
A shopper on Dec 10, 2016
BEST ANSWER: You will not need part number 271096. The multiport valve is all you will need.
Where can I find the reset button ?
Daniel C on Nov 23, 2016
BEST ANSWER: Pool filters do not have any electricity going to them. They do not have a reset button.
How often do you need to clean the cartridge on a D.E. Filter?
Rhonda H on Sep 7, 2016
BEST ANSWER: The grids should be clean when the pressure get to about 10 PSI over where the pressure started the last time the grids were cleaned. That could be a mouth or 4 mouths but normally its within that range.
I am replacing an old filter by pentair 4000 series model # SM/MBW-4048 what other style can i use ?
john e on Mar 26, 2016
BEST ANSWER: The SMBW is a cartridge type filter. You can pretty much swap it with any style you prefer. If you wanted something similar, it would be the Quad DE, or the Clean and Clear Plus. the FNS is an all DE filter.
I have 30000 gallon pool what size de filter I need?
Lori K on Jun 27, 2017
I want to replace my current Hayward pump and cartridge filter with Pentair variable speed pump and DE filter. Our pool is approx 11,000 gallon fiberglass pool. What would you suggest? Thank you!
A shopper on Jun 25, 2016
REVIEWS
4.8 / 5.0
4 Reviews
5 Stars
4 Stars
3 Stars
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1 Stars
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Sparkling Water
Thanks to the help of Pool Supply Unlimited, I now have the right sized filter for my pool and sparkling water. At great savings too!
October 9, 2013
Good Replacement
We had a filter that served us for years, now that we bought this one we couldn't be happier. It was very simple to replace, smaller than the old one and easier to manage. Pleased as can be.
May 7, 2017
Happy With Purchase
This filter is exactly what my pool needed. I finally have crystal clear water. Definitely the right fit for my pool. Thank you to Pool Supply Unlimited for taking the time to answer all of my questions!
August 9, 2014
Easy maintenance
Decided to go convert to a cartridge filter since my sand filter was looking rather old. My pool guy recommended a cartridge filter since its much easier than having to deal with the sand. I'm never looking back! Very happy with the filter and great price.
December 7, 2015
RESOURCES
Adobe Acrobat PDF Brochure
Adobe Acrobat PDF Owners Manual

How do I register for the warranty with my new Pentair product?
For Pentair's warranty registration information, and to submit online, please click here.  You can also access more information about Pentair by visiting our manufacturer page.


WARRANTY
Pentair Product Warranties Give You Even More Peace Of Mind 
 
While the majority of Pentair products are covered by a sixty- (60) day warranty, a select number of products qualify for extended warranty coverage.
 
Pentair offers a three- (3) year extended warranty on the following products when they are installed by a qualified installer and registered within sixty (60) days from the date of installation:
  • Energy-saving IntelliFlo® and IntelliPro® Variable Speed Pumps (select models)
    • Three year warranty is only applicable to IntelliFlo® 2 VST and IntelliPro® 2 VST pumps purchased from a retail store (brick and mortar), pool builder or pool service company. IntelliFlo® 2 VST and IntelliPro® 2 VST Pumps purchased online (via internet) will only receive a sixty (60) day limited warranty.
  • SunTouch® Solar and SolarTouch® Control Systems
  • Select Bundled Products: applies to purchases and qualified installation of a minimum of a pump and filter, and one or more of the following: heaters, heat pumps, control systems, automatic cleaners, lighting, salt chlorine generators or UV sterilizer*
* Note: Bundled products must be purchased on the same invoice and installed at the same time.
 
If any product within a bundle is ineligible for the bundled warranty coverage then all products within the same bundle will be disqualified from receiving the three (3) year extended coverage for bundled products. 
 
2 Year Extended Warranties
 
Pentair offers a two- (2) year extended warranty on the following products when they are installed by a qualified installer and registered within sixty (60) days from the date of installation: 
  • SuperFlo® and SuperMax® VS Variable Speed Pumps
  • IntelliFlo® (part # 011018) and IntelliPro® (part #P6E6VS4H) Variable Speed Pumps
  • Heaters and Heat Pumps
  • IntelliBrite® 5G White LED Light
Pentair offers the following product warranties which do not require installation by a qualified installer:
  • IntelliChlor® Salt Chlorine Generator Replacement Cell
  • Dorado™ Inground Cleaner
  • Prowler® 820 and Prowler 830 Inground Cleaners
  • Kreepy Krauly® Inground Cleaner
  • Kruiser™ Inground Cleaner
  • Great White® Inground Cleaner
  • SandShark™ Inground Cleaner
  • Rebel® Inground Cleaner --- When the Pentair Rebel is purchased at a retail store, pool builder, or pool service company, the product will have a 2-year limited warranty. If purchased online/E-commerce, the warranty will have a 60-Day Limited Warranty.
1 Year Extended Warranties
 
Pentair offers a one- (1) year extended warranty on these products when they're installed by a qualified installer and registered within sixty (60) days from the date of installation:
  • Single and Dual Speed Pumps
  • Filters and Valves
  • Lights
  • Automation equipment, excluding SunTouch® Solar and SolarTouch® Control Systems
  • White Goods and Water Features
  • Chlorine/Bromine Feeders
Pentair offers the following product warranties which do not require installation by a qualified installer:
  • Aboveground Systems
  • Racer® Inground Cleaner
  • Legend® and Legend II Inground Cleaners
  • Platinum™ Inground Cleaner
  • 'Lil Shark™ Aboveground Cleaner
  • E-Z Vac® Aboveground Cleaner
  • Warrior™ Inground Cleaner
Commercial Warranties
 
All products used in commercial applications receive a one- (1) year warranty. For warranty purposes, a commercial facility is defined as any facility other than a single family dwelling.
  • ACU-TROL AK Color and Accessories — one (1) year. Exception: ACU-TROL Equipment Repairs sixty (60) days (for Non-Warranty Repairs)
  • ACU-TROL Commercial Controllers and Electronic Modules — five (5) years
  • ACU-Trol Commercial pH and ORP Probes — two (2) years
  • Commercial IntelliChlor® Salt Chlorine Generator (without power cell) two (2) years
  • Heat Pumps — two (2) years Parts & Labor. Exception: Compressor Parts and Labor — ten (10) years, Titanium Heat Exchanger — Lifetime.
  • IntelliBrite® 5G White LED Light-two (2) years
  • STARK Commercial Filters — Fifteen (15) years
  • THS Series Commercial Filters — Ten (10) years


 Adobe Acrobat PDF Warranty Information
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ABOUT THE STORE
Pool Supply Unlimited is an e-commerce company that loves water. We love to pump it, filter it, heat it, chlorinate it, light it up and stare at it while we're barbequing a fat, juicy steak. There are real pool professionals working here. Our guys have seen thousands of pools in their careers, no exaggeration. We are based in Southern California and can land most products to your door (within the 48 contiguous states) in less than a week.
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