Skip to content
  • 🎁 Get the best deals on gifts with our snap sale!🎁
  • 🎁 Get the best deals on gifts with our snap sale!🎁
Doheny ShopDoheny Shop
    • No products in the cart.

      Return to shop

  • Cart

    No products in the cart.

    Return to shop

  • Chemicals
    • Clarifiers & Enzymes
    • Stain Removers
    • Alternatives
    • Balancers
    • Chlorine & Bromine
    • Water Testers
    • Value Packs
    • Closing Kits
    • Floating Chlorinators
    • Start-Up Kits
  • Inground
    • Covers
    • Equipment
    • Accessories
    • Paint & Coatings
    • Liners
  • Equipment
    • Filters
    • Multiport Valves
  • Accessories
    • Toys Games & Floats
    • Pool Maintenance
    • Solar Accessories
    • Thermometers
    • Alarms & Timers
Home / Inground / Equipment / Filters / DE Filters
Sale!
Pentair FNS Plus Fiberglass DE Filter Tank, 36 Sq Ft

Pentair FNS Plus Fiberglass DE Filter Tank, 36 Sq Ft

$395.00 Original price was: $395.00.$99.99Current price is: $99.99.

Clear
SKU: ZG9OZ 7929 Categories: DE Filters, Equipment, Filters, Inground
  • The Quality Choice for Smart Shoppers
  • 100% High-Quality Guarantee
  • Secure Payments, Secure Shopping
  • Fast and Secure Payments
Browse
  • Accessories
    • Alarms & Timers
    • Pool Maintenance
      • Brushes
      • Hoses
      • Rakes & Skimmers
      • Vacuum Heads
    • Solar Accessories
    • Thermometers
    • Toys Games & Floats
      • Lounges, Floats & Games
  • Chemicals
    • Alternatives
    • Balancers
    • Chlorine & Bromine
    • Clarifiers & Enzymes
    • Closing Kits
    • Floating Chlorinators
    • Stain Removers
    • Start-Up Kits
    • Value Packs
    • Water Testers
  • Equipment
    • Filters
      • Filter Cartridges
    • Multiport Valves
  • Inground
    • Accessories
      • Diving Boards
      • Lighting & Fountains
      • Pool Ladders
      • Pool Slides
      • Pool Steps
      • Storage & Fencing
    • Covers
      • Safety Covers
        • Accessories
        • Onground Covers
      • Solar Covers
        • Accessories
        • Alternatives
        • Rectangular Covers
        • Reels
      • Winter Covers
        • Cover Accessories
        • Rectangular Leaf Nets
        • Rectangular Mesh Covers
        • Rectangular Solid Covers
        • Winter Accessories
    • Equipment
      • Cleaners
        • Cleaner Accessories
        • Pressure Cleaners
        • Robotic Cleaners
        • Suction Cleaners
        • Vacuums
      • Filters
        • Cartridge Filters
        • DE Filters
        • Filter Media
        • Sand Filters
      • Heaters
        • Heat Pumps
        • Propane & Gas Heaters
      • Pumps
      • Salt Systems
        • Chlorine Generators
        • Replacement Cells
    • Liners
      • Accessories
    • Paint & Coatings
  • Uncategorized
  • Description
  • Additional information
  • Reviews (0)

DE Filter Tanks 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. FNS filters feature a continuous high flow internal air relief, top-to-bottom backwash, high flow manual air relief valve, a tension control clamp, and a 1-1/2 in. bottom clean out port. Valves sold separately.

For Technical support on this item please contact Pentair at 1-800-831-7133 www.pentairpool.com

Square Footage

FNSP 24, FNSP 36, FNSP 48

Reviews

There are no reviews yet.

Be the first to review “Pentair FNS Plus Fiberglass DE Filter Tank, 36 Sq Ft” Cancel reply

Related products

Sale!
SR Smith Deck Mounted Plastic Slide Anchor Flange Kit
Quick View

Accessories

SR Smith Deck Mounted Plastic Slide Anchor Flange Kit

$189.99 Original price was: $189.99.$98.99Current price is: $98.99.
Sale!
Olympic Epoxy Paint Thinner, 1 Quart
Quick View

Inground

Olympic Epoxy Paint Thinner, 1 Quart

$41.84 Original price was: $41.84.$29.29Current price is: $29.29.
Sale!
Doheny's Corner Water Bags, 4 Pack
Quick View

Cover Accessories

Doheny’s Corner Water Bags, 4 Pack

$22.36 Original price was: $22.36.$15.65Current price is: $15.65.
Sale!
Doheny's Economical In-Ground Suction Cleaner
Quick View

Cleaners

Doheny’s Economical In-Ground Suction Cleaner

$139.99 Original price was: $139.99.$99.99Current price is: $99.99.
Sale!
SR Smith Olympian Aluminum Diving Board, 10 Ft, White
Quick View

Accessories

SR Smith Olympian Aluminum Diving Board, 10 Ft, White

$344.00 Original price was: $344.00.$96.99Current price is: $96.99.
Sale!
Doheny's Pro-Tek Winter Cover For 12x24 Ft Rectangular Pools, 20 Year Warranty
Quick View

Covers

Doheny’s Pro-Tek Winter Cover For 12×24 Ft Rectangular Pools, 20 Year Warranty

$135.18 Original price was: $135.18.$96.99Current price is: $96.99.
Sale!
Raypak Model 206A Electronic Digital Control Propane Gas, 199,500 BTU
Quick View

Equipment

Raypak Model 206A Electronic Digital Control Propane Gas, 199,500 BTU

$353.00 Original price was: $353.00.$98.99Current price is: $98.99.
Sale!
Doheny's Supreme Blue 2400 Series Micro-Bubble Solar Cover, 7 Year Warranty, 14x28 Ft Rectangular
Quick View

Covers

Doheny’s Supreme Blue 2400 Series Micro-Bubble Solar Cover, 7 Year Warranty, 14×28 Ft Rectangular

$134.99 Original price was: $134.99.$94.49Current price is: $94.49.
Products
  • Pleatco Filtration PA50-EC Pool Filter Cartridge Replacement For Unicel: C-7656, Filbur: FC-1240, OEM Part Numbers: CX500-RE, R173409, 27-079, 1 Pack Pleatco Filtration PA50-EC Pool Filter Cartridge Replacement For Unicel: C-7656, Filbur: FC-1240, OEM Part Numbers: CX500-RE, R173409, 27-079, 1 Pack $52.99 Original price was: $52.99.$37.09Current price is: $37.09.
  • Pleatco Filtration PSD125-2000-EC Spa Filter Cartridge Replacement For Unicel: C-8326, Filbur: FC-2780, OEM Part Numbers: 6540-488, 1 Pack Pleatco Filtration PSD125-2000-EC Spa Filter Cartridge Replacement For Unicel: C-8326, Filbur: FC-2780, OEM Part Numbers: 6540-488, 1 Pack $91.99 Original price was: $91.99.$64.39Current price is: $64.39.
LEGAL
  • Privacy Policy
  • Shipping & Returns
  • FAQ
  • Returns & Exchanges
  • Term and Conditions
CUSTOMER SERVICE
  • My account
  • Delivery
  • Payment Method
  • Contact Us
  • About Us
Signup for Newsletter

Sign up for exclusive offers, original stories, events and more.

    Copyright 2025 © www.dohenystore.com
    • Chemicals
      • Clarifiers & Enzymes
      • Stain Removers
      • Alternatives
      • Balancers
      • Chlorine & Bromine
      • Water Testers
      • Value Packs
      • Closing Kits
      • Floating Chlorinators
      • Start-Up Kits
    • Inground
      • Covers
      • Equipment
      • Accessories
      • Paint & Coatings
      • Liners
    • Equipment
      • Filters
      • Multiport Valves
    • Accessories
      • Toys Games & Floats
      • Pool Maintenance
      • Solar Accessories
      • Thermometers
      • Alarms & Timers
    • Login

    Login

    Lost your password?

    Register

    Your personal data will be used to support your experience throughout this website, to manage access to your account, and for other purposes described in our privacy policy.