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Residential
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Cartridge Filters & Housings
- Cartridge Filters - Carbon
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Cartridge Filters - Sediment
- Nelsen Pleated (Flow-Max Replacement)
- Nelsen Melt-Blown (Flow-Pro Replacement)
- Nelsen String Wound Filter Cartridges
- Pentek Pleated (Cellulose)
- Pentek Dual Gradient Polypropylene
- Pentek Pleated (Polyester)
- Pentek Spun Polypropylene Cord
- Pentek Spun Polypropylene Fiber
- SELECT SEDIMENT CARTRIDGES BY SIZE
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Cartridge Housings & Parts
- Pentek 1/4" and 3/8" connections, (Uses 2-1/2" x 9-3/4" cartridges)
- Pentek 3/4" Filter Housing, (Uses 2-1/2" x 9-3/4" size cartridges)
- Pentek 3/4" Heavy Duty Filter Housing, (Uses 2-1/2" x 20" size cartridges)
- Pentek Valve-in-Head Housings, (Uses 2-1/2" x 9-3/4" cartridges)
- Pentek Whole House (Big Blue) Housings (1" and 1-1/2" connections, uses 4-1/2" x 9-3/4" cartridges)
- Pentek Whole House (Big Blue and Big Clear) Housings (1" and 1-1/2" connections, uses 4-1/2" x 20" cartridges)
- FlowMatic Brand Mounting Brackets, Wrenches and O-Rings
- Pentek Brand Mounting Brackets, Wrenches and O-Rings
- Sand Separators & Parts
- Chlorination Systems & Supplies
- Control Valves & Parts
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Media & Resins
- Filter Support Media (Gravel or Garnet for media support base)
- Ion Exchange Resin (Water Softener, Tannin and Nitrate resins)
- Iron Removal Media (Arsenic, Birm, Katalox, Filox, Manganese Greensand, MTM, KDF 85 and Terminator Blend)
- pH Adjustment Media (Calcite and Corosex F for raising pH)
- Sediment Removal Media (Anthracite, Turbidex, Filter Ag, Filter Sand and Garnet)
- Taste, Odor & Chlorine Removal (Centaur Catalytic Carbon, Coconut Shell Carbon and KDF 55)
- Salt-free Media (FilterSorb SP3)
- Reference Manuals
- Pro Products & Supplies
- Reverse Osmosis
- Tanks
- UV Ultraviolet Disinfection
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Water Softeners
- Fleck 5600 3/4" 12-Day Timer
- Fleck 5600 3/4" Mechanical Meter
- Fleck 5600SXT 3/4" Electronic Meter
- Fleck 2510 3/4" Mechanical Meter
- Fleck 2510SXT 3/4" Electronic Meter
- Fleck 2510 3/4" Manual (Non-Electric)
- Fleck 9000 3/4" Mechanical Meter Twin Tank
- Fleck 9000 1" Mechanical Meter Twin Tank
- Fleck 9100SXT 3/4" Electronic Meter Twin Tank
- Fleck 9100SXT 1" Electronic Meter Twin Tank
- Fleck 2750 1" 12-Day Timer
- Fleck 2750 1" Mechanical Meter
- Water Test Kits
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Water Treatment Systems
- Arsenic Removal
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Carbon Taste & Odor
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Coconut Shell Carbon Filter Systems (Helps improve taste, Removes Chlorine and Odors)
- Fleck 5600 3/4" 12-Day Timer Coconut Shell Carbon Filters
- Fleck 5600SXT 3/4" Electronic Timer Coconut Shell Carbon Filters
- Fleck 2510 3/4" 12-Day Timer Coconut Shell Carbon Filters
- Fleck 2510SXT 3/4" Electronic Timer Coconut Shell Carbon Filters
- Fleck 2750 1" 12-Day Timer Coconut Shell Carbon Filters
- Centaur Carbon Systems (Helps improves taste, Removes Dissolved Hydrogen Sulfide Gas, Chlorine and Odors)
- GREEN Alternative Upflow Carbon Filters
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Coconut Shell Carbon Filter Systems (Helps improve taste, Removes Chlorine and Odors)
- Iron Removal
- Nitrate Removal
- pH Neutralizers
- Sediment Removal
- Tannin Removal
- Uranium Removal
- Pioneer Whole-House Lead, Cyst and PFOA/PFOS Removal System
- Salt Free Water Conditioners
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Cartridge Filters & Housings
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Commercial
- Brine Tanks
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Filter Cartridges
- Big Bubba Depth Cartridges
- Big Bubba Granular Activated Carbon Cartridges
- Big Bubba Pleated Cartridges
- Flow-Max Jumbo Filter Cartridges for Model 40 Single Cartridge Jumbo Housings
- Flow-Max Jumbo Filter Cartridges for Model 90 Single Cartridge Jumbo Housings
- Flow-Max Jumbo Filter Cartridges for Model 170 Single Cartridge Jumbo Housings
- Flow-Max High Temp Jumbo Filter Cartridges for Models 40, 90 and 170 Single Cartridge Jumbo Housings
- Flow-Max Pleated Filter Cartridges for all Multi-Cartridge Housings
- Filter Housings
- Filter Systems
- Fleck Parts
- Fleck Valves
- Resin Tanks
- Reverse Osmosis
- UV Disinfection
- Water Softeners
Nelsen 4-1/2" x 20" GAC Cartridge (NFGAC-20WH)
Product Description
- Fits any housing that uses 4-1/2" x 20" cartridges
- 4 gpm flow rate