--- product_id: 469464712 title: "US31 Classic 3-Stage Under Sink Water Filtration System for Drinking, Tankless, High Capacity, Sediment + GAC + Carbon" brand: "ispring" price: "2282.82 DT" currency: TND in_stock: true category: "I Spring" url: https://www.desertcart.tn/products/469464712-us31-classic-3-stage-under-sink-water-filtration-system-drinking store_origin: TN region: Tunisia --- # 3-stage filtration for pure water Clear housing for easy filter inspection Tankless, space-saving design US31 Classic 3-Stage Under Sink Water Filtration System for Drinking, Tankless, High Capacity, Sediment + GAC + Carbon **Brand:** ispring **Price:** 2282.82 DT **Availability:** ✅ In Stock ## Summary > 💧 Elevate your hydration game with pure, mineral-rich water—because your health deserves the best! ## Quick Answers - **What is this?** US31 Classic 3-Stage Under Sink Water Filtration System for Drinking, Tankless, High Capacity, Sediment + GAC + Carbon by ispring - **How much does it cost?** 2282.82 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/469464712-us31-classic-3-stage-under-sink-water-filtration-system-drinking) ## 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 - • **Sleek European Design:** Brushed nickel all-metal faucet adds a modern, professional touch to your kitchen setup. - • **Effortless Maintenance:** Clear first-stage housing lets you visually monitor filter status for timely replacements every 6-12 months. - • **Tankless & High Capacity:** Compact system delivers fresh, great-tasting water on demand without bulky storage tanks. - • **Certified Safety & Support:** NSF/ANSI certified and FDA compliant with 1-year warranty plus lifetime US-based customer service. - • **Triple-Action Purification:** PP Sediment + GAC Carbon + CTO filters remove sediments, chemicals, and odors while preserving essential minerals. ## Overview The iSpring US31 Classic is a premium 3-stage under sink water filtration system featuring sediment, GAC carbon, and CTO filters that remove contaminants while preserving healthy minerals. Its tankless design and clear housing combine functionality with sleek European aesthetics. Certified to NSF/ANSI standards and backed by lifetime US support, it offers hassle-free installation and maintenance for millennial professionals seeking clean, great-tasting water at home. ## Description This 3-stage filter system is designed for easy installation, low maintenance, and features dual carbon block filters along with a high-capacity sediment filter. The sediment filter protects and extends the life of your system, while the carbon block filters work to remove many harmful contaminants like chloramine, providing you with bottled quality water on demand. ## 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 | #22,195 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #68 in Under-Sink Water Filters | | Brand Name | iSpring | | Capacity | 10000 Gallons | | Container Type | Cartridge | | Customer Reviews | 4.5 4.5 out of 5 stars (1,871) | | 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 | ## Product Details - **Brand:** iSpring - **Capacity:** 10000 Gallons - **Material:** carbon block - **Product dimensions:** 40.6L x 15.2W x 40.6H centimeters - **Special features:** Chlorine, NSF certified, Tankless ## Images ![US31 Classic 3-Stage Under Sink Water Filtration System for Drinking, Tankless, High Capacity, Sediment + GAC + Carbon - Image 1](https://m.media-amazon.com/images/I/713QljolxML.jpg) ## Available Options This product comes in different **Style** 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 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/469464712-us31-classic-3-stage-under-sink-water-filtration-system-drinking](https://www.desertcart.tn/products/469464712-us31-classic-3-stage-under-sink-water-filtration-system-drinking) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-06-06*