iSpring F3WGB31BPF Whole House Water Filter Replacement Pack, SGS-Tested, Remove up to 99% PFAS, Sediment, Chlorine, Taste & Odor, Up to 12 Months, 4.5” x 10”, Fits WGB31B-PF
iSpring F3WGB31BPF Whole House Water Filter Replacement Pack, SGS-Tested, Remove up to 99% PFAS, Sediment, Chlorine, Taste & Odor, Up to 12 Months, 4.5” x 10”, Fits WGB31B-PF
Couldn't load pickup availability
- 24/7 Customer Support
- Risk-Free 30-Day Returns
- Fast & Reliable U.S. Shipping
Contact Information
Contact Information
30-Day Hassle-Free Returns
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
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
- PFAS-Free Water for Your Whole Home – This 3-stage pfas water filter replacement pack is designed for the iSpring WGB31B-PF whole house water filter system, featuring an SGS-tested FC15B-PF filter media that removes up to 99% of PFAS (including PFOA and PFOS) found in municipal and well water.
- Compact 3-Stage Protection – This whole house water filter replacement set also effectively reduces sediment, rust, chlorine, taste, odor, PFAS, and other harmful chemicals. Whether you're on city or well water, these filters deliver whole home protection for you and your family.
- Built to Last – Designed for durability, these whole house water filters deliver reliable performance for up to 50,000 gallons or 12 months, depending on water usage and quality. It is a long-lasting solution for those seeking a dependable filter replacement.
- Peace of Mind Guaranteed – Supported by lifetime technical support from our U.S.-based customer service team. Whether you're replacing filters or maintaining your whole-house system, we're here to help—before and after your purchase.Freshness Guaranteed – Every cartridge comes individually sealed at the factory to ensure maximum cleanliness and peak performance. Simply unwrap and install.
- Lifetime U.S. Support – Our friendly customer service team is always ready to guide you through filter replacement and whole-house system maintenance.
- Beneficial Minerals Intact – Filters your water while preserving essential minerals without lowering TDS. For complete removal of total dissolved solids, consider iSpring Reverse Osmosis systems.
Overview
- Material : Plastic
- Product Dimensions : 4.5"D x 4.5"W x 10"H
- Item Weight : 5.3 Pounds
- External Testing Certification : Not Available
- Product Benefits : Reduces PFAS, Reduces Sediment, Reduces Chlorine, Removes Odor, Removes Impurities

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.
👉 Prevent scale buildup and keep your appliances running efficiently.
👉 Softer, brighter clothes that last longer with every wash.
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.
FAQ
Water Filtration & Home Water Guide