---
product_id: 70011705
title: "US31 3-Stage Under Sink Water Filter System with Faucet, 1 Year | 10000 Gal, NSF/ANSI Certified Filters, Reduces Chlorine, Sediment, and Harmful Chemicals, SGS-Tested, 5–10 Years Housings"
brand: "ispring"
price: "₩399711"
currency: KRW
in_stock: true
category: "I Spring"
url: https://www.desertcart.kr/products/70011705-us31-3-stage-under-sink-water-filter-system-with-faucet
store_origin: KR
region: South Korea
---

# 20x faster 1 GPM flow 10,000 gal ultra capacity NSF/ANSI 58 certified purity US31 3-Stage Under Sink Water Filter System with Faucet, 1 Year | 10000 Gal, NSF/ANSI Certified Filters, Reduces Chlorine, Sediment, and Harmful Chemicals, SGS-Tested, 5–10 Years Housings

**Brand:** ispring
**Price:** ₩399711
**Availability:** ✅ In Stock

## Summary

> 💧 Drink Pure, Live Smart — Filtered Water That Keeps Up With Your Hustle

## Quick Answers

- **What is this?** US31 3-Stage Under Sink Water Filter System with Faucet, 1 Year | 10000 Gal, NSF/ANSI Certified Filters, Reduces Chlorine, Sediment, and Harmful Chemicals, SGS-Tested, 5–10 Years Housings by ispring
- **How much does it cost?** ₩399711 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/70011705-us31-3-stage-under-sink-water-filter-system-with-faucet)

## Best For

- ispring enthusiasts

## Why This Product

- Trusted ispring brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Elite 3-Stage Filtration:** Triple-layer defense removes chlorine, sediment & harmful chemicals for pristine water.
- • **Lightning-Fast Flow Rate:** Get instant access to clean water at 1 gallon per minute—20x faster than pitchers.
- • **Long-Lasting 10,000-Gallon Filter:** Enjoy a full year of premium water with minimal maintenance and fewer replacements.
- • **Sleek Design with Smart Transparency:** Brushed nickel faucet plus clear housing lets you monitor filter health at a glance.
- • **Hassle-Free Above-Counter Installation:** Innovative top-mounted faucet fastening means no more under-sink struggles.

## Overview

The iSpring US31 is a premium 3-stage under-sink water filtration system featuring NSF/ANSI 58 certified filters that remove chlorine, sediment, and harmful chemicals. With a massive 10,000-gallon capacity and a rapid 1 GPM flow rate, it delivers fresh, mineral-rich water all year long. Its patented above-counter faucet installation and transparent housing combine convenience with style, backed by a 1-year warranty and expert U.S.-based support.

## Description

iSpring US31 3-Stage Under Sink Water Filter System with Faucet, 1 Year | 10000 Gal, NSF/ANSI Certified Filters, Reduces Chlorine, Sediment, and Harmful Chemicals, SGS-Tested, 5–10 Years Housings - desertcart.com

## Features

- 【NSF 58 Standard Purification】 : Tested by independent third parties against NSF/ANSI 58 standards. The PP, GAC, and CTO triple-filtration stack removes heavy metals, chlorine, sediment, and odors for elite-level safety.
- 【10,000-Gallon Ultra Capacity】: Built for long-term performance with a filter life of up to 12 months. Enjoy high-quality water year-round with fewer replacements and lower maintenance costs.
- 【20x Faster Flow Rate】: Delivers an on-demand flow of 1 GPM—20 times faster than standard water pitchers. Perfect for instant drinking, washing produce, or filling large pots without the wait.
- 【Patented Above-Counter Installation】： No more struggling under the sink! The top-mounted fastener allows you to secure the faucet entirely from above the countertop, making installation fast and hassle-free.
- 【Smart Visibility & Premium Finish】： Features a high-quality brushed nickel faucet and a transparent 1st-stage housing, allowing for easy visual filter inspections at a glance.
- 【Fresh Mineral Taste】: Deeply purifies while retaining essential natural minerals. Delivers a crisp, refreshing taste similar to high-end bottled mineral water. (Note: Does not reduce TDS; for scale removal, choose iSpring RO systems).
- 【U.S.-Based Expert Support】: Includes a 1-year manufacturer warranty and lifetime technical support from our dedicated team in Atlanta, GA. Reliable quality and service you can trust.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07CHXVRS5 |
| Best Sellers Rank | #4,500 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #9 in Under-Sink & Countertop Filtration |
| Brand Name | iSpring |
| Capacity | 10000 gallons |
| Container Type | Bottle |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,987) |
| Filter Life Cycle | 12 months |
| 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 | 13"L x 5.3"W x 14.2"H |
| Item Type Name | Water Filtration System |
| Item Weight | 5.5 kg |
| Manufacturer | iSpring Water Systems |
| Material Type | Combination of materials |
| Maximum Flow Rate | 1 gpm |
| Model Name | US31 |
| Model Number | US31 |
| Other Special Features of the Product | Multi Stage Filtration, Portable, Heavy Duty, Leak-Proof |
| Part Number | US31 |
| Power Source | Ac |
| Purification Method | 3 Stage. Chemical Absorption and Mechanical Filtration |
| UPC | 662425095681 |
| Unit Count | 1 Count |
| Upper Temperature Rating | 100 °F |
| Warranty Description | 1 Year Manufacturer |
| Water Saving Percentage | 100 |

## Product Details

- **Brand:** iSpring
- **Capacity:** 10000 gallons
- **Included Components:** housings, filters, parts and tubings, faucet and mounting bracket
- **Installation Type:** Under Sink
- **Material:** Combination of materials
- **Package Information:** Bottle
- **Power Source:** Ac
- **Product Dimensions:** 13"L x 5.3"W x 14.2"H
- **Purification Method:** 3 Stage. Chemical Absorption and Mechanical Filtration
- **Special Feature:** Multi Stage Filtration, Portable, Heavy Duty, Leak-Proof

## Images

![US31 3-Stage Under Sink Water Filter System with Faucet, 1 Year | 10000 Gal, NSF/ANSI Certified Filters, Reduces Chlorine, Sediment, and Harmful Chemicals, SGS-Tested, 5–10 Years Housings - Image 1](https://m.media-amazon.com/images/I/71NghDG4BjL.jpg)

## Available Options

This product comes in different **Set name** options.

## Questions & Answers

**Q: Does this system require electricity to operate?**
A: No, the US31 under-sink water filtration system does not require electricity. It works on water pressure alone.

**Q: How much water pressure is required for it to work?**
A: The feed water pressure should be: 30-70 psi

**Q: How long do the filters last before needing replacement?**
A: The filters should be replaced every 6 to 12 months, depending on usage and water quality. This ensures optimal performance and water quality.

**Q: Will it reduce TDS?**
A: No, this under-sink water filtration system does not reduce TDS levels. Instead, it maintains the TDS of the incoming water, preserving essential minerals. If TDS reduction is necessary, we recommend considering an iSpring reverse osmosis system.

## Frequently Bought Together

- iSpring US31 Classic 3-Stage Under Sink Water Filtration System for Drinking, Tankless, High Capacity, Sediment + GAC + Carbon
- iSpring F7-GAC NSF Certified 1-Year Replacement Filter Cartridge Pack, 7-Count for Standard 5-Stage Reverse Osmosis (RO) Systems
- iSpring FA15 Alkaline Inline Water Filter Cartridge, 10” x 2” with 1/4” Quick Connect, NSF Certified, Add-on for RO Systems, Balances pH & Restores Minerals, 3-Layer Replacement Filter

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-08-07*