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iSpring 3-Stage Whole House Water Filter System, SGS-Tested to Remove Up to 99% PFAS, Reduces Scale, Heavy Metals, Corrosion, Lead, Chlorine, 10” x 4.5” Filters, 1” NPT Ports, Model: WGB31B-PFKDS

iSpring 3-Stage Whole House Water Filter System, SGS-Tested to Remove Up to 99% PFAS, Reduces Scale, Heavy Metals, Corrosion, Lead, Chlorine, 10” x 4.5” Filters, 1” NPT Ports, Model: WGB31B-PFKDS

Quantity
Regular price $785.39
Regular price Sale price $785.39
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  • Risk-Free 30-Day Returns
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30-Day Hassle-Free Returns

Not satisfied? Return your order within 30 days for a full refund or exchange — simple and easy.

✔ Easy return process

✔ Fast refunds

✔ No hidden conditions

Fast U.S. Shipping

We ship within the United States only — no international delays.

✔ Processing time: 1–2 business days

✔ Delivery time: 3–7 business days

✔ Real-time tracking available

👉 Track your order anytime from the header via Track Order

About This

  • Proven PFAS Reduction – The Stage 1 FC15B-PF filter in this PFAS water filter system is SGS-tested to remove up to 99% of PFAS, including PFOA and PFOS. This whole house water filter provides peace of mind with every drop, making it one of the top water filters that remove PFAS for home use.
  • Reduces Heavy Metals & Harmful Chemicals – The stage 2 FG15B-KS filter, uses KDF and granular activated carbon (GAC) to reduce chlorine, lead, mercury, chloramine, hydrogen sulfide (H₂S), radon, and other contaminants—making it a reliable water filter system or solution for home water filter system whole house use.
  • Premium Scale Inhibitor for Long-Term Protection – Stage 3 includes the FWDS80K filter, a high-performance scale inhibitor and descaler that prevents mineral buildup from calcium and magnesium, protecting your pipes, appliances, and water heaters. A perfect fit for any whole home water filtering system where scale and hard water are a concern.
  • Compact Yet Powerful: Ideal for apartments, smaller homes, or vacation properties, this 10” x 4.5” whole house water filter fits tight spaces while delivering long-lasting, high-performance filtration.
  • Built to Last – This water system is engineered to filter up to 80,000 gallons or last up to 12 months, depending on water quality and usage. A long-lasting solution for those seeking a dependable whole home water filtration system.
  • Quick and Easy Installation – Designed for hassle-free setup, this filter system includes 1” NPT inlet/outlet ports and standard 10” x 4.5” filter housings. Follow our included manual and video tutorials to get your water filter system for home up and running fast.
  • Freshness You Can Trust – Each cartridge in this whole house water filter is individually sealed to maintain quality and shelf life. Unwrap just before installation for maximum filtration performance—ideal for any water filter whole house application.
  • Peace of Mind Guaranteed – Backed by a 1-year limited warranty and lifetime product support from our U.S.-based customer service team. Whether you need help choosing the right whole house water filters or support with maintenance, we’re here for you.
  • Please Note – This system retains healthy minerals and does not reduce TDS. For total dissolved solids removal, explore our iSpring Reverse Osmosis systems—perfect complements to any water filtration system for house or whole home water filtration system.

Overview

  • Brand : iSpring
  • Special Feature : Heavy Duty, Reduces Heavy Metals, Reduces Scale, Reduces PFAS
  • Product Dimensions : 10.8"L x 18"W x 24.5"H
  • Material : Activated Carbon, KDF, Polyphosphate
  • Capacity : 80000 Gallons
  • Included Components : System, filters, manual, installation kit
  • Package Information : Box
  • Installation Type : Whole House
  • Purification Method : Carbon Block, GAC+KDF, Polyphosphate
  • Power Source : Water Pressure
View full details
Is Hard Water or Contaminated WaterDamaging Your Home?
Signs You May Be Experiencing Problems With Your Tap Water
Protect Your Home Appliances
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Softer Skin & Healthier Hair
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Pure, Better-Tasting Drinking Water
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Prevent Costly Hard Water Damage
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Reduce Limescale Buildup
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Clean Water, Whole Home
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Protect Your Home Appliances
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Softer Skin & Healthier Hair
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Pure, Better-Tasting Drinking Water
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Prevent Costly Hard Water Damage
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Reduce Limescale Buildup
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Clean Water, Whole Home
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RO Water Filters Reverse Osmosis Water Filters for Pure Drinking Water
Salt Water Softeners Salt Water Softeners for Powerful Hard Water Treatment
Pure Water. Better Living.

Experience the difference clean, softened water makes in your daily life — from healthier skin to better tasting drinking water.

👉 Softer skin and smoother hair with every shower.

Descaling Solutions Descaling Solutions for Removing Limescale and Mineral Buildup
👉 Enjoy healthier skin and hair with every use.
Water Filter Cleaning Kits

👉 Prevent scale buildup and keep your appliances running efficiently.

Under Sink Water Filters

👉 Softer, brighter clothes that last longer with every wash.

Reverse Osmosis Systems Best Reverse Osmosis Systems for Clean Drinking Water

See the Difference in Your Water — Instantly

Hard water, chlorine, and hidden contaminants can affect your health, skin, and appliances.

Our advanced filtration system removes impurities and delivers clean, safe water throughout your entire home.

Feel the difference in every drop — from your kitchen to your shower.

Impurity Reduction 95%
Chlorine Removal 99%

FAQ

Is installation difficult?
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No. Our systems are designed for easy DIY installation and most homeowners can install them without professional tools. If you need help, our support team is always available.
Do I need a plumber to install the system?
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No plumber is required. The system connects directly to your existing plumbing with simple fittings.
How does this system improve water quality?
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Our filtration system helps reduce common impurities and minerals that cause hard water problems, improving the taste and clarity of your water.
Will this help protect my appliances?
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Yes. Hard water minerals can build up inside appliances. Our system helps reduce scale buildup, helping extend the life of washing machines, dishwashers, and water heaters.
How often do filters need to be replaced?
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Most filters only need replacement every 6–12 months, depending on usage and local water conditions.
Will this improve my skin and hair?
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Many customers notice softer skin and smoother hair after switching to filtered or softened water.
What if I'm not satisfied with the system?
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If you're not completely satisfied, you can return your product within 30 days for a full refund.
Easy to install — no plumber required. Our experts are here if you need help.
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