Home » Home & Garden » Diy & Tools » Kitchen & Bath Fixtures » Water Filtration & Softeners » Under-Sink Filters » iSpring US31 Classic 3-Stage Under Sink Water Filtration System
iSpring US31 Classic 3-Stage Under Sink Water Filtration System

Ispring Us31 Classic 3-Stage Under Sink Water Filtration System

3-Stage Under Sink Water Filtration System, removes sediments, heavy metals & chemicals for clean drinking water.

Check Latest Price Now
ASIN: B07CHXVRS5
Tags:
Clean Drinking Water, Cto Filtration, Drinking Water Purification, Gac Carbon Filter, High Capacity Water Filter, Home Water Filtration System, Sediment Removal, Tankless Water System, Under Sink Water Filtration, Water Filter For Kitchen Sink

Introduction

The iSpring US31 Classic 3-Stage Under Sink Water Filtration System is a top choice for those seeking a reliable and efficient way to enjoy clean drinking water at home. This system undergoes a three-stage purification process, ensuring that the water you drink is free from common sediments, heavy metals, and harmful chemicals. With its high capacity and fast flow rate, this system is ideal for meeting the needs of your entire family.

Design & Build Quality

The iSpring US31 features a beautiful European-designed brushed nickel all-metal faucet and clear see-through 1st stage housing, making filter inspection a snap. Manufactured to comply strictly with FDA standards and tested by independent third party against NSF/ANSI standards (42, 53, 61) for water quality, material safety, and structural integrity, you can trust the excellence of this system. The design is not only aesthetically pleasing but also built to last, ensuring durability and reliability.

Performance & Features

This system's three-stage purification process includes PP sediment filtration, GAC carbon filter, and a unique CTO filtration in the 3rd layer, efficiently removing common drinking water sediments such as dust, sand, particles, dirt, and rust. It also effectively eliminates heavy metals, harmful chemicals, Chloramine, cloudiness, colours, chlorine taste, and odor. With a flow rate of up to 1GPM, depending on source water pressure, and a maximum pressure of 90psi, this system is capable of meeting the widest possible range of needs in your home.

Specifications

The iSpring US31 has the following specifications:
  • Manufacturer: iSpring Water Systems
  • Part Number: US31
  • Product Dimensions: 33.02 x 13.46 x 36.07 cm; 5.45 kg
  • Item model number: US31
  • Size: 13"L x 5.3"W x 14.2"H
  • Colour: Purple, Silver, White
  • Style: Under Sink Water System
  • Pattern: Water Filtration System
  • Power Source: Ac
  • Installation method: Under Sink
  • Item Package Quantity: 1
  • Flow rate: 1 Gallon Per Minute
  • Special Features: Tankless
  • Batteries included?: No
  • Batteries Required?: No
  • Item Weight: 5.45 kg

User Experience & Comfort

The iSpring US31 is designed for easy installation and low maintenance, featuring 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. You can replace the filter every 6 to 12 months, judged by the water’s taste. This system is also designed to keep healthy minerals in your water, ensuring you get the best out of your drinking water.

Pros & Cons

Here are the key advantages and disadvantages of the iSpring US31:
  • High capacity and fast flow rate
  • Efficient three-stage purification process
  • Easy installation and maintenance
  • Durable and reliable design
  • Keeps healthy minerals in your water
  • Does not reduce TDS of the incoming water
  • May require periodic filter replacement

Final Verdict

The iSpring US31 Classic 3-Stage Under Sink Water Filtration System is a reliable and efficient solution for clean drinking water. With its excellent design, high performance, and ease of use, it's an ideal choice for any home. To get the best price for this system, click the "Check Latest Price" button and ensure you're getting the most value out of your purchase.

You like what you see...

Check The Latest Price Now ...quick, it might be on sale! 🤷

There are no comments for this product.

Frequently Asked Questions

The iSpring US31 Classic 3-Stage Under Sink Water Filtration System is a top-of-the-line water filtration system designed to provide clean and healthy drinking water for homes. It features a three-stage purification process, including PP sediment filtration, GAC carbon filter, and a unique CTO filtration in the 3rd layer, efficiently removing common drinking water sediments such as dust, sand, particles, dirt, and rust, as well as heavy metals, harmful chemicals, Chloramine, cloudiness, colors, chlorine taste, and odor.
The iSpring US31 Under Sink Water Filtration System works by undergoing a three-stage purification process. First, the water passes through a PP sediment filter that removes larger particles such as dust, sand, and dirt. Next, it goes through a GAC carbon filter that eliminates heavy metals, harmful chemicals, and other contaminants. Finally, it passes through a unique CTO filtration layer that removes any remaining impurities, resulting in clean and healthy drinking water.
The benefits of using the iSpring US31 Classic 3-Stage Under Sink Water Filtration System include access to clean and healthy drinking water, removal of common sediments and contaminants, improved taste and odor, and protection against heavy metals and harmful chemicals. Additionally, the system is designed for easy installation and maintenance, featuring dual carbon block filters along with a high-capacity sediment filter that can be replaced every 6 to 12 months.
Yes, the iSpring US31 Under Sink Water Filtration System is designed for easy installation. It comes with a comprehensive instruction manual and requires minimal tools and expertise. The system is also designed to fit under most standard kitchen sinks, making it a convenient and space-saving solution for clean drinking water.
The filters in the iSpring US31 Classic 3-Stage Under Sink Water Filtration System need to be replaced every 6 to 12 months, depending on the water usage and quality. The sediment filter protects and extends the life of the system, while the carbon block filters work to remove many harmful contaminants. Replacement filters are readily available, and the process is straightforward and easy to perform.
No, the iSpring US31 Under Sink Water Filtration System is not designed to reduce the Total Dissolved Solids (TDS) of the incoming water. Instead, it focuses on removing common sediments, heavy metals, and harmful chemicals, while keeping healthy minerals in the water. This ensures that the water remains clean and healthy, with a balanced mineral content.
The flow rate of the iSpring US31 Classic 3-Stage Under Sink Water Filtration System is up to 1 Gallon Per Minute (GPM), depending on the source water pressure. This makes it an ideal solution for meeting the needs of large families or households with high water demands.
Yes, the iSpring US31 Under Sink Water Filtration System is manufactured to comply strictly with FDA standards and has been tested by independent third-party organizations against NSF/ANSI standards (42, 53, 61) for water quality, material safety, and structural integrity. This ensures that the system meets the highest standards of quality and performance.
The iSpring US31 Classic 3-Stage Under Sink Water Filtration System has dimensions of 33.02 x 13.46 x 36.07 cm and weighs approximately 5.45 kg. It is designed to fit under most standard kitchen sinks, making it a convenient and space-saving solution for clean drinking water.
Yes, the iSpring US31 Under Sink Water Filtration System comes with a comprehensive warranty and dedicated customer support. The manufacturer provides a detailed instruction manual, replacement parts, and technical assistance to ensure that customers can easily install, maintain, and troubleshoot the system, providing peace of mind and protection for their investment.

You like what you see...

Check The Latest Price Now ...quick, it might be on sale! 🤷

Related Products

By Amazon Still Spring Water 12 X 500Ml Bottles

By Amazon Still Spring Water 12 X 500Ml Bottles

Pure still spring water in 500ml bottles, sourced for great taste and quality, p...

Waterdrop 10Ua Under Sink Water Filter System, Nsf/Ansi 42 Certified

Waterdrop 10Ua Under Sink Water Filter System, Nsf/Ansi 42 C...

High-capacity Waterdrop 10UA filter, NSF/ANSI 42 certified, reduces PFAS, lead,...

Finest-Filters Under Sink Water Filter System Ff-Puf - High Capacity 80,000 Litres Drinking Water Filtration System

Finest-Filters Under Sink Water Filter System Ff-Puf - High...

High-capacity under sink water filter system, removes heavy metals, chlorine & b...

Waterdrop 15Ua Under Sink Water Filter System, Nsf/Ansi Certified, Reduces Pfas, Lead & Chlorine

Waterdrop 15Ua Under Sink Water Filter System, Nsf/Ansi Cert...

High-capacity Waterdrop 15UA filter reduces PFAS, lead, chlorine & bad taste, pr...

Waterdrop Wd-10Ub Under Sink Water Filter With Dedicated Faucet, Nsf/Ansi 42 Certified

Waterdrop Wd-10Ub Under Sink Water Filter With Dedicated Fau...

Waterdrop 10UB Under Sink Filter, NSF/ANSI 42 certified, reduces lead, chlorine...

Frizzlife Mk99 Under Sink Water Filter System - High Capacity Direct Connect Drinking Water Filtration System

Frizzlife Mk99 Under Sink Water Filter System - High Capacit...

High-capacity under sink water filter system, removes 99.99% of contaminants, in...

Sygoodlife Q5-Uf11 0.01 Micron Under Sink Water Purifier Filtration System

Sygoodlife Q5-Uf11 0.01 Micron Under Sink Water Purifier Fil...

Ultrafiltration water purifier, reduces heavy metals & chlorine, providing fresh...

Frizzlife Sw10F Under Sink Water Filter System With Brushed Nickel Faucet, Nsf Certified

Frizzlife Sw10F Under Sink Water Filter System With Brushed...

NSF certified under sink water filter, reduces 99.99% lead, chlorine & bad taste...

Ispring Rcc7Ak 6-Stage Reverse Osmosis Water System With Alkaline Remineralization

Ispring Rcc7Ak 6-Stage Reverse Osmosis Water System With Alk...

NSF certified 6-stage reverse osmosis water system, removes 99% of contaminants,...

Geekpure Ro5 5-Stage Reverse Osmosis Drinking Water Filter System 75Gpd

Geekpure Ro5 5-Stage Reverse Osmosis Drinking Water Filter S...

Geekpure 5-Stage Reverse Osmosis Water Filter, removes 99% of contaminants for c...

Geekpure Under Sink Water Filtration System - Carbon Filter Cto-10Bf

Geekpure Under Sink Water Filtration System - Carbon Filter...

Geekpure Under Sink Water Filtration System - Carbon Filter: Purifies water with...

Ngbff Water Filter System 800Gpd Ro Reverse Osmosis Water Purifier

Ngbff Water Filter System 800Gpd Ro Reverse Osmosis Water Pu...

Reverse osmosis water filter system for clean drinking water, 800GPD flow rate,...

Popular Products

Tomtom Go Classic 2Nd Car Sat Nav With 6

Tomtom Go Classic 2Nd Car Sat Nav With 6" Touchscreen And Tr...

TomTom GO Classic 2nd sat nav with 6" touchscreen, live traffic & speed cam aler...

Exsivemy Atmosphere Lamp With 15W Wireless Charger, Bluetooth Speaker And Alarm Clock (White)

Exsivemy Atmosphere Lamp With 15W Wireless Charger, Bluetoot...

Atmosphere Lamp with wireless charger, Bluetooth speaker & alarm clock, offering...

Maybelline New York Volume Mascara, Very Black, 9.5Ml

Maybelline New York Volume Mascara, Very Black, 9.5Ml

Maybelline New York Volume Mascara for intense black lashes & multiplied volume...

Bitdefender Total Security 2025 - 5 Device, 1 Year Subscription, Pc/Mac/Ios/Android Protection

Bitdefender Total Security 2025 - 5 Device, 1 Year Subscript...

Protect 5 devices with Bitdefender Total Security 2025. Comprehensive anti-virus...

Tomtom Go Expert 7

Tomtom Go Expert 7" Truck Sat Nav With Custom Routing And Re...

TomTom Truck Sat Nav GO Expert: 7" HD screen, custom routes & real-time traffic...

Görvitor Dimmable Wireless Touch Lamp Bedside With 8 Colour Changing & Timer Function

Görvitor Dimmable Wireless Touch Lamp Bedside With 8 Colour...

Wireless touch lamp with dimmable LED, 8 colours & timer for nursery, bedroom or...

Lightzz Yoga Lamp Led 3D Art Night Light With Wood Base

Lightzz Yoga Lamp Led 3D Art Night Light With Wood Base

3D Art Night Light with warm yellow glow, perfect for relaxation and decoration,...

Pilpoc Thefube Fidget Cube - Deluxe Authentic Stress Relief Toy For Adults & Kids

Pilpoc Thefube Fidget Cube - Deluxe Authentic Stress Relief...

Premium fidget cube for stress relief & focus enhancement, featuring silent & au...

Tapo Td21 2K Wireless Video Doorbell Camera With Night Vision And 160° View

Tapo Td21 2K Wireless Video Doorbell Camera With Night Visio...

Tapo TD21 Wireless Video Doorbell, 2K resolution, 160° view, night vision, water...

Amazon Egift Card - Celebration - Instant Email Or Text Delivery (£5-£1,000)

Amazon Egift Card - Celebration - Instant Email Or Text Deli...

Amazon eGift Card for instant digital delivery, redeemable on millions of items...

Lymybety Portable Rechargeable Bladeless Neck Fan 3000Mah White

Lymybety Portable Rechargeable Bladeless Neck Fan 3000Mah Wh...

Portable rechargeable neck fan with 3 speeds, bladeless design for safety and co...

Breville Barista Signature Espresso Machine Vcf160 - Bean To Cup Coffee Maker With Integrated Coffee Grinder & Milk Frother

Breville Barista Signature Espresso Machine Vcf160 - Bean To...

Expertly engineered Breville Barista Signature espresso machine with integrated...

Latest Products

Play-Doh 4-Pack Sweet Themed Non-Toxic Modelling Compound Set By Play-Doh

Play-Doh 4-Pack Sweet Themed Non-Toxic Modelling Compound Se...

Non-toxic Play-Doh set with 4 vibrant colours, ideal for kids' creative play and...

Russell Hobbs 23911 Stainless Steel Electric Kettle, 1.7L, Black Handle, Fast Boil

Russell Hobbs 23911 Stainless Steel Electric Kettle, 1.7L, B...

Russell Hobbs 1.7L Stainless Steel Kettle, rapid boil, perfect pour spout, energ...

I Sushi Premium Sushi Rice 5Kg Medium Grain Japanese Cuisine Rice

I Sushi Premium Sushi Rice 5Kg Medium Grain Japanese Cuisine...

Premium quality medium grain sushi rice for authentic Asian cuisine, easy to pre...

Faith In Nature Natural Rosemary Shampoo 400Ml - Vegan & Cruelty Free Hair Care

Faith In Nature Natural Rosemary Shampoo 400Ml - Vegan & Cru...

Natural Rosemary Shampoo, 400ml, vegan & cruelty-free, with organic rosemary oil...

Dylon Ocean Blue Fabric Dye Pod 350G For Clothes And Soft Furnishings

Dylon Ocean Blue Fabric Dye Pod 350G For Clothes And Soft Fu...

DYLON Ocean Blue fabric dye pod for clothes and soft furnishings, easy to use an...

Personalised Dog Tags - Edsg Stainless Steel Pet Id Tags With Custom Engraving Options

Personalised Dog Tags - Edsg Stainless Steel Pet Id Tags Wit...

Personalised pet tags in stainless steel, customisable with name & contact info,...

Sandisk Ultra 32Gb Sdhc Memory Card Class 10 Uhs-I

Sandisk Ultra 32Gb Sdhc Memory Card Class 10 Uhs-I

SanDisk Ultra 32GB SDHC Memory Card, up to 100MB/s, Class 10, for fast photo & v...

Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer 2.73Kg Chocolate

Optimum Nutrition Serious Mass Protein Powder High Calorie M...

High-calorie mass gainer with 1250 calories, 50g protein, and 250g carbs per ser...

Whimzees Natural & Grain-Free Dog Chews For Large Breeds, 30 Pieces (One Month Supply), Size L

Whimzees Natural & Grain-Free Dog Chews For Large Breeds, 30...

Natural & grain-free dog chews for large breeds, reducing plaque up to 80% and f...

By Amazon Complete Dry Dog Food - Chicken With Peas 5Kg Pack For Adult Dogs

By Amazon Complete Dry Dog Food - Chicken With Peas 5Kg Pack...

Complete dry dog food for adult dogs, rich in chicken with peas, providing 100%...

By Amazon Espresso Crema Ground Coffee 500G Rainforest Alliance Certified

By Amazon Espresso Crema Ground Coffee 500G Rainforest Allia...

Rich & creamy ground coffee, Rainforest Alliance Certified, supporting sustainab...

Gb Textile Deluxe Super Bounce Back Pillows - 4 Pack Hypoallergenic Support Pillows

Gb Textile Deluxe Super Bounce Back Pillows - 4 Pack Hypoall...

Deluxe Super Bounce Back Pillows - Hypoallergenic, firm support for back sleeper...

Hidden Gems

Cclkhy 2 Piece Needle Threader Set - Compact Sewing Tool For Hand & Machine Needles

Cclkhy 2 Piece Needle Threader Set - Compact Sewing Tool For...

CCLKHY Needle Threader - Easy threading for hand & machine sewing, durable & com...

Ninja Nc300Uk Creami Ice Cream Maker & Frozen Dessert Maker

Ninja Nc300Uk Creami Ice Cream Maker & Frozen Dessert Maker

Ninja CREAMi Ice Cream Maker: Create delicious homemade ice cream, gelato, sorbe...

Butcher's Puppy Perfect Dog Food Trays 24X150G Grain-Free Dog Food

Butcher's Puppy Perfect Dog Food Trays 24X150G Grain-Free Do...

Butcher's Puppy Perfect Dog Food Trays, grain-free and naturally gluten-free, wi...

Personalised Dog Tags - Edsg Stainless Steel Pet Id Tags With Custom Engraving Options

Personalised Dog Tags - Edsg Stainless Steel Pet Id Tags Wit...

Personalised pet tags in stainless steel, customisable with name & contact info,...

La Roche-Posay Anthelios Uvmune 400 Hydrating Tinted Sunscreen Spf50+ For Sensitive Skin 50Ml

La Roche-Posay Anthelios Uvmune 400 Hydrating Tinted Sunscre...

La Roche-Posay Anthelios UVMune 400, hydrating tinted sunscreen SPF50+ for sensi...

Zenmos Waterproof Ip66 Outdoor Double Socket 10M Extension Lead 13Amp

Zenmos Waterproof Ip66 Outdoor Double Socket 10M Extension L...

Waterproof IP66 outdoor double socket with 10m extension lead, 13Amp, and secure...

Barbie Mattel Fairy Doll Jcp76 With Color-Change Wings & Outfit

Barbie Mattel Fairy Doll Jcp76 With Color-Change Wings & Out...

Barbie Fairy Doll with color-change wings & outfit, inspiring imaginative play a...

Eveready 40W 240V Halogen G9 Capsule Clear Light Bulb, 2 Pack

Eveready 40W 240V Halogen G9 Capsule Clear Light Bulb, 2 Pac...

Eveready 40W Halogen G9 Capsule Clear bulb, energy-efficient and durable glass c...

Weightworld Coq10 Supplement 200Mg - 120 Vegan Capsules, 4 Months Supply, Non-Gmo & Gluten-Free

Weightworld Coq10 Supplement 200Mg - 120 Vegan Capsules, 4 M...

Boost energy levels with WeightWorld's CoQ10 Supplement, 200mg ubiquinone per ca...

Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer 2.73Kg Chocolate

Optimum Nutrition Serious Mass Protein Powder High Calorie M...

High-calorie mass gainer with 1250 calories, 50g protein, and 250g carbs per ser...

Tamiya Extra Thin Liquid Cement Glue 40Ml Bottle - Model 87038

Tamiya Extra Thin Liquid Cement Glue 40Ml Bottle - Model 870...

Tamiya Extra Thin Liquid Cement for polystyrene models, precise and easy to use.

8 Hour Sleepwell Sleep Gummies For Kids - Gluten-Free, Vegan L-Theanine Supplement For Relaxation & Sleep Support

8 Hour Sleepwell Sleep Gummies For Kids - Gluten-Free, Vegan...

Sleep Gummies for Kids - Gluten-free, vegan, and natural sleep support with L-Th...

Discover Something New

Asus Rt-Be88U Dual-Band Wifi 7 Aimesh Extendable Performance Router

Asus Rt-Be88U Dual-Band Wifi 7 Aimesh Extendable Performance...

ASUS RT-BE88U WiFi 7 Router: Dual-band, AiMesh, 7200Mbps, 10G ports for high-spe...

Ngbff Water Filter System 800Gpd Reverse Osmosis Filter System Model 1005005805196440

Ngbff Water Filter System 800Gpd Reverse Osmosis Filter Syst...

Water Filter System, 800GPD RO Reverse Osmosis, removes 99.9% of impurities for...

Cinati Car Phone Holder Mount Silicone Pad Mat For Iphone And Samsung Devices

Cinati Car Phone Holder Mount Silicone Pad Mat For Iphone An...

Car phone holder mount with silicone pad for secure grip, compatible with iPhone...

Krups Ea811840 Arabica Manual Coffee Machine, Silver, 1450W, 1.7L Water Tank

Krups Ea811840 Arabica Manual Coffee Machine, Silver, 1450W,...

Krups EA811840 Arabica Manual Coffee Machine: Elegant, compact design for barist...

Dulcolax Adult 5Mg Bisacodyl Gastro Resistant Tablets, 20 Count - Constipation Relief Laxative

Dulcolax Adult 5Mg Bisacodyl Gastro Resistant Tablets, 20 Co...

Dulcolax Adult - Effective constipation relief tablets, working overnight for na...

Bosch 2609255912 25Mm Screwdriver Bit Set For Slotted Screws

Bosch 2609255912 25Mm Screwdriver Bit Set For Slotted Screws

Bosch 25mm screwdriver bit for slotted screws, universal compatibility & ergonom...

Desire Deluxe 57Pc Magnetic Building Blocks Tiles Stem Toy Set For Kids

Desire Deluxe 57Pc Magnetic Building Blocks Tiles Stem Toy S...

Desire Deluxe Magnetic Building Blocks Tiles STEM Toy Set - 57PC educational con...

Nyxi 12L Dehumidifier With Digital Display And Continuous Drainage

Nyxi 12L Dehumidifier With Digital Display And Continuous Dr...

Nyxi 12L Dehumidifier removes up to 10L moisture daily, ideal for homes and offi...

Hysapientia 22L Dual Zone Air Fryer Oven With Rotisserie And Digital Controls

Hysapientia 22L Dual Zone Air Fryer Oven With Rotisserie And...

Dual Zone Air Fryer Oven with 10 preset modes, stainless steel interior, and 360...

Subcold Super35 Led Mini Fridge - 35L Table-Top Beer And Wine Cooler

Subcold Super35 Led Mini Fridge - 35L Table-Top Beer And Win...

Compact 35L mini fridge with advanced cooling, adjustable thermostat & low energ...

Tomtom Car Sat Nav Go Navigator 6 Inch With Real-Time Traffic And Speed Camera Alerts

Tomtom Car Sat Nav Go Navigator 6 Inch With Real-Time Traffi...

TomTom Car Sat Nav GO Navigator: 6" screen, real-time traffic & speed camera ale...

Dtgecd Kids Fruit Costume, Maui Fancy Dress For Halloween & Themed Parties

Dtgecd Kids Fruit Costume, Maui Fancy Dress For Halloween &...

Fruit costume for kids, fun & playful design, perfect for Halloween & themed par...