Best Metal Under-sink Filters of 2025

Jennifer Fraser Avatar
Jennifer Fraser
Last Updated: 31 Jan 2025

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Metal under-sink filters are a practical and efficient solution for removing impurities from tap water. These filters are typically made of stainless steel or other durable metals, and can be installed directly under the sink for easy access. They are designed to remove a range of contaminants, including chlorine, sediment, and heavy metals, resulting in a cleaner and better-tasting water supply. Metal under-sink filters are a reliable and cost-effective way to improve the quality of your drinking water and reduce the need for bottled water.

At a Glance: Our Top Picks

Waterdrop WD-CTF-06 Countertop Water Filter Cover #TOP 1
Waterdrop WD-CTF-06 Countertop Water Filter
ftb score rating icon 9.9
Frizzlife UDS99-S Under Sink Water Filter System Cover #TOP 2
Frizzlife UDS99-S Under Sink Water Filter System
ftb score rating icon 9.8
Waterdrop 10UB Under Sink Water Filter System Cover #TOP 3
Waterdrop 10UB Under Sink Water Filter System
ftb score rating icon 9.6

Top 10 Metal Under-sink Filters

#TOP 1

Waterdrop WD-CTF-06 Countertop Water Filter

‎WD-CTF-06
Black
Waterdrop WD-CTF-06 Countertop Water Filter Cover
Waterdrop WD-CTF-06 Countertop Water Filter, 4000 Gallons Faucet Water Filter for Tap with Filter Life Reminder, Reduces Heavy Metals, Bad Odor, and 99% Chlorine (1 Filter Included)

The Waterdrop Countertop Filter offers a reliable solution for clean drinking water. It is certified for safety and reduces heavy metals, bad odour, and 99% of chlorine, ensuring your family enjoys safe hydration. Its long lifespan allows you to filter up to 4,000 gallons or use it for six months before needing a replacement, promoting less waste. Additionally, the easy installation means you can set it up in just one minute, making it perfect for busy households seeking a convenient water purification option.

What We Like
Long-lasting filter performance
Easy, tool-free installation
Reduces harmful contaminants
Life reminder feature
#TOP 2

Frizzlife UDS99-S Under Sink Water Filter System

UDS99-S
Frizzlife UDS99-S Under Sink Water Filter System Cover
Frizzlife UDS99-S Under Sink Water Filter System, 8-Stage Direct Connect Water Filtration, 0.5 Micron Reduce 99.99% Lead, Chlorine, Heavy Metals, Scale & Limes, NSF Certified Elements, Stainless Steel

The Frizzlife UDS99-S Filter offers an impressive 8-stage filtration system, effectively reducing harmful substances like lead, chlorine, and heavy metals while retaining essential minerals. Its durable construction, made from food-grade stainless steel, ensures your water is safe and fresh for years to come. With a quick installation process that doesn't require drilling, you can easily connect it to your kitchen sink. Enjoy a rapid flow rate of 7.5 litres per minute, allowing you to fill a cup in under two seconds—perfect for your busy lifestyle.

What We Like
Advanced 8-stage filtration
Durable stainless steel design
Easy installation, no drilling
Fast water flow rate
#TOP 3

Waterdrop 10UB Under Sink Water Filter System

WD-10UB
black
8000 Gallons
Waterdrop 10UB Under Sink Water Filter System Cover
Waterdrop 10UB Under Sink Water Filter with Dedicated Faucet, NSF/ANSI 42 Certified, 30,000 Liters High Capacity Water Filter System, Reduce PFAS, PFOA/PFOS, Reduce Lead, Chlorine, Bad Taste

The Waterdrop 10UB Filter offers an ultra-long service life, allowing you to enjoy clean water for up to 12 months or 30,000 litres, depending on your water quality. Its innovative multistage filtration effectively reduces chlorine, heavy metals, and other impurities, ensuring safe and great-tasting water. You will appreciate the IAPMO certified filter materials, which guarantee reliability and safety. Additionally, the simple installation process makes it easy for you to set up the system under your sink without hassle.

What We Like
Long filter lifespan
Effective multistage filtration
IAPMO certified materials
Easy installation

Waterdrop 10UB-UF Ultra Filtration System

WD-10UB-UF
Waterdrop 10UB-UF Ultra Filtration System Cover
Waterdrop 10UB-UF 0.01 μm Ultra Filtration Under Sink Water Filter System for Baçtёria Reduction, 30,000 Liters with Dedicated Faucet, Reduce PFAS, PFOA/PFOS, Reduces Lead, Chlorine, Bad Taste

The Waterdrop 10UB-UF Filter offers an ultra-long service life, filtering up to 30,000 litres or lasting 12 months with municipal water. Its advanced filtration accuracy of 0.01 μm effectively removes most bacteria, ensuring safer drinking water for you and your family. The innovative multistage filtration system reduces chlorine, bad taste, and odour, while also tackling heavy metals and other impurities. With a premium dedicated faucet, you will have convenient access to fresh, clean water any time you need it.

What We Like
Long filter life
Effective bacteria removal
Reduces chlorine and bad taste
Easy installation
Fast flow rate

Frizzlife SK99 Under Sink Water Filter System

SK99
white
Frizzlife SK99 Under Sink Water Filter System Cover
Frizzlife Under Sink Water Filter System SK99-NEW, Direct Connect, NSF/ANSI 53&42 Certified 0.5 Micron Carbon Block, Remove 99.99% Lead, Chlorine, Chloramine, Fluoride, Odor & Bad Taste- Quick Change

The Frizzlife SK99 Filter offers a fully certified system that effectively removes over 99% of contaminants like lead and chlorine from your tap water, ensuring you enjoy clean and safe drinking water. With its advanced 0.5-micron filtration accuracy, you can trust that harmful particles are eliminated while beneficial minerals remain. The filter features a fast flow rate, allowing you to access filtered water quickly. Plus, it boasts a simple DIY installation, so you won’t need to call a plumber, making it convenient for you to set up and maintain.

What We Like
Effective contaminant removal
Fast water flow rate
Easy DIY installation
Eco-friendly filter replacement
#TOP 6

Waterdrop TSA 3-Stage Under Sink Filter System

WD-TSA
1 Count (Pack of 1)
Waterdrop TSA 3-Stage Under Sink Filter System Cover
Waterdrop TSA Under Sink Water Filter System, 3-Stage High Capacity Water Filtration System, NSF/ANSI 42 Certified,Reduce PFAS, PFOA/PFOS, Reduce Lead, Chlorine, Bad Taste

The Waterdrop TSA Filter System features a comprehensive 3-stage filtration process, ensuring that you enjoy pure and healthy water by reducing harmful substances like PFAS, lead, and chlorine. Its durable design prevents leaking and cracking, giving you peace of mind. Installation is incredibly quick, taking less than 3 minutes, which means you can start enjoying better-tasting water almost immediately. Additionally, each filter has a long lifespan of up to 18 months, providing you with lasting performance and convenience.

What We Like
Effective multi-stage filtration
Durable, leak-proof design
Quick and easy installation
Long filter lifespan
#TOP 7

ICEPURE WFC5300A Under Sink Water Filter System

WFC5300A
White
ICEPURE WFC5300A Under Sink Water Filter System Cover
ICEPURE WFC5300A Under Sink Water Filter system, 3 Years or 22000 Gallons Ultra High Life, Replacement for ICEPURE WFS5300A Under Sink Water Filtration System, Removes Heavy Metals,Chlorine

The ICEPURE WFC5300A Filter is designed with high standards, utilising advanced American technology to ensure top-quality water filtration. Its easy installation means you can set it up without professional help, making it perfect for your kitchen, bathroom, or even an office. This versatile system meets your daily water needs, whether for drinking, cooking, or skincare. With thorough inspection and testing, you can trust that this filter effectively removes heavy metals and chlorine, providing you with safe, clean water.

What We Like
High-quality filtration
Easy to install
Versatile usage
Thorough product testing

iSpring US15SD Direct-Connect Under Sink Filter

US15SD-1
Black
10K Capacity
iSpring US15SD Direct-Connect Under Sink Filter Cover
iSpring US15SD Direct-Connect Under Sink Water Filter System, High Capacity Filtration, Fits Kitchen and Bathroom Faucets, Reduces Lead and Chlorine, 10" x 2.5", Black

The iSpring US15SD Filter offers a high-capacity filtration system that effectively reduces impurities such as chlorine, heavy metals, and bad tastes from your water, ensuring you enjoy cleaner, healthier drinking water. It requires significantly less space than traditional filters, fitting neatly under your sink without needing an extra faucet. Installation takes approximately 20 minutes, and changing the filter cartridge is a quick process, taking just 60 seconds. Plus, by using this system, you can help reduce plastic waste and save money by cutting down on bottled water consumption.

What We Like
Reduces impurities effectively
Space-saving design
Quick installation and maintenance
Eco-friendly and cost-saving
#TOP 9

SYGOODLIFE 0.01 Micron Under Sink Water Purifier

SYGOODLIFE
Q5-UF11
SYGOODLIFE 0.01 Micron Under Sink Water Purifier Cover
SYGOODLIFE 0.01Micron UF Under Sink Water Purifier Filtration System Direct Connect To Kitchen Faucet, Reduce Heavy Metals, Chlorine, Bad Taste & Odor

The SYGOODLIFE Water Purifier features a multi-stage filtration system that effectively removes impurities and heavy metals larger than 0.01 microns, ensuring you enjoy clean, great-tasting water while retaining essential minerals. Safety is a priority, as the materials used are BPA-free and certified by NSF/ANSI, giving you peace of mind. Its compact design, at just 12.7 inches tall, fits seamlessly into small kitchens. Additionally, the lightweight card-type filter element allows for quick and easy replacements in just three seconds, making maintenance hassle-free.

What We Like
Effective multi-stage filtration
BPA-free and safe materials
Compact design for small spaces
Quick and easy filter replacement
#TOP 10

GLACIER FRESH Under Sink Water Filter System

GF-S003
White
GLACIER FRESH Under Sink Water Filter System Cover
GLACIER FRESH Under Sink Water Filter System, Connect Under Counter Drinking Water System with Kitchen Faucet, 10000 Gallons Water Filtration System for Kitchen Sink, Removes Chlorine, White

The GLACIER FRESH Water Filter offers a reliable solution for clean drinking water. Made from advanced coconut shell activated carbon, this filter effectively removes chlorine and other impurities, ensuring that you enjoy pure water. With a long service life of up to 12 months or 10,000 gallons, you won't need to replace it frequently. Its high-efficiency filtration system tackles heavy metals and sediment, giving you peace of mind. Plus, with a fast flow rate of 0.71 GPM, you can fill your cups and bottles quickly.

What We Like
Safe materials used
Long service life
High-efficiency filtration
Fast flow rate
Multiple installation options
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What filters remove heavy metals?

As noted above, some carbon filters do remove heavy metals. They can also remove sediment and reduce chlorine and organic chemicals in water. An activated carbon filter is more likely to remove unwanted elements (such as heavy metals) than a conventional carbon filter.

2. Are under the sink water filters worth it?

Even though under-counter filters don't produce chilled water, they provide cleaner, better-tasting water for your entire household than water pitcher filters. Moreover, the ease-of-use and quality filtration offered by under-sink water filters make them a better choice for many homeowners.

3. How long do under-sink water filters last?

How Long Do Under Sink Water Filters Last? Under sink water filter cartridges typically last on average six months before needing replacement. However, the time period could vary considerably due to a number of factors.

4. How do I choose a water filter under my sink?

The best under-sink filtration system should suit the user's space, capacity, and installation needs while providing easy access to clean water. Other things to consider while shopping include types and levels of filtration, water flow and pressure, odor removal, and water waste.

Editor's Notes

During our metal under-sink filter research, we found 106 metal under-sink filter products and shortlisted 10 quality products. We collected and analyzed 100,739 customer reviews through our big data system to write the metal under-sink filters list. We found that most customers choose metal under-sink filters with an average price of £96.49.

The metal under-sink filters are available for purchase. We have researched hundreds of brands and picked the top brands of metal under-sink filters, including Waterdrop, FRIZZLIFE, ICEPURE, iSpring, SYGOODLIFE. The seller of top 1 product has received honest feedback from 2,531 consumers with an average rating of 4.9.

Written by
Jennifer Fraser Avatar

Jennifer Fraser is a licensed contractor specializing in sales, maintenance, and kitchen, bathroom, and home appliances, tools, and utilities. She owns a store in Leeds where you can get any home and tool appliance. Jenny has a degree in literature, but she combines her knowledge and experience with her degree to publish DIY articles on solving home appliances issues to keep up the family enterprise.