# ISPRING US21B-PF Under Sink Water Filter, SGS-Tested to Reduce 99% PFAS, 7-Layer Filtration Removes Lead, Chlorine, Heavy Metals

**Brand:** [ISPRING](https://shop.coreranger.com/brands/ISPRING)
**SKU:** US21B-PF
**Price:** $311.39 · in stock
**URL:** https://shop.coreranger.com/product/ispring-us21b-pf-under-sink-water-filter-sgs-tested-to-reduce-99-pfas-7-layer-filtration-removes-lea-339526077

## Specifications

| Spec | Value |
|---|---|
| Color | Blue |
| Model # | US21B-PF |
| Reduces | Chloramine,Chlorine,Chlorine Taste,Lead,Mercury,Microplastics,Odor,Other,PFAs,PFOA/PFOS,Sulphur |
| Features | No additional features |
| Includes | Filter,Hardware,Installation kit |
| Internet # | 339526077 |
| Returnable | 90-Day |
| Store SKU # | 1015029236 |
| Connection Type | Inline |
| Ease of Install | Easy Install |
| House Hold Size | 5-7 people |
| Application Type | RV,Residential,Well Water |
| Number of Stages | 2 Stage |
| Filtration Method | Activated Carbon,CTO,Carbon Block,Chemical Absorption,GAC,KDF |
| Fitting size (in.) | 0.375 in |
| Product Depth (in.) | 14.58 in |
| Product Width (in.) | 7.56 in |
| Product Height (in.) | 15.76 in |
| Product Weight (lb.) | 54.34 lb |
| Manufacturer Warranty | 1-year limited warranty |
| Number of filters included | 2 |
| Certifications and Listings | SGS Certified |
| Maximum feed water pressure (psi) | 90 |
| Minimum feed water pressure (psi) | 40 |
| Maximum feed water temperature (F) | 100 |
| Minimum feed water temperature (F) | 40 |
| Maximum filtered water flow (gallons per min.) | 15 |

## Description

Enjoy cleaner, safer water straight from your tap with iSpring's 7-layer under sink filtration system. SGS-tested to remove up to 99% PFAS, it also reduces lead, chlorine, and other contaminants while maintaining healthy minerals. With a 40% larger surface area and up to 8,000-gallon capacity, it delivers long-lasting, high-flow performance. Easy DIY installation, premium materials, and dedicated US-based support make it a reliable choice for everyday use. (Note: Does not reduce TDS; not for unsoftened water with hardness over 500.)

• Reduces PFAS, lead, chlorine and other contaminants
• DIY installation connects directly to your kitchen faucet
• 40% larger surface; Up to 8,000-gallon capacity