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💧 Drink Pure, Live Smart — The Ultimate Under-Sink Upgrade You Can’t Miss!
The iSpring US31 is a NSF 58 certified 3-stage under-sink water filtration system featuring sediment, GAC, and carbon block filters. It offers a high 10,000-gallon capacity with a 1 GPM flow rate—20 times faster than standard pitchers. Its patented above-counter installation and premium brushed nickel faucet combine convenience with style, delivering fresh, mineral-rich water year-round backed by U.S.-based expert support.












| ASIN | B07CHXVRS5 |
| Best Sellers Rank | #24,526 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #77 in Under-Sink Water Filters |
| Brand Name | iSpring |
| Capacity | 10000 Gallons |
| Container Type | Cartridge |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,873) |
| Global Trade Identification Number | 00662425095681 |
| Included Components | housings, filters, parts and tubings, faucet and mounting bracket |
| Installation Type | Under Sink |
| Item Dimensions L x W x H | 40.6L x 15.2W x 40.6H centimeters |
| Item Type Name | 3-Stage Under Sink High Capacity Tankless Drinking Water Filtration System - Includes Sediment Filter and 2x CTO Carbon Block Filters (Newest Version) |
| Item Weight | 5.45 Kilograms |
| Manufacturer | iSpring Water Systems |
| Material Type | carbon block |
| Maximum Flow Rate | 1 Gallons Per Minute |
| Model Name | US31 |
| Model Number | US31 |
| Other Special Features of the Product | Chlorine, NSF certified, Tankless |
| Part Number | US31 |
| Power Source | Manual Operation |
| Purification Method | 3 Stage. Chemical Absorption and Mechanical Filtration |
| Smart Home Compatibility | Not Smart Home Compatible |
| Supported Water TDS Level Maximum (PPM) | 300 |
| UPC | 662425095681 |
| Unit Count | 1 Count |
| Upper Temperature Rating | 100 Degrees Fahrenheit |
| Warranty Description | 1 Year Manufacturer |
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