Best Metal Under-sink Filters of 2025

* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.
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
Top 10 Metal Under-sink Filters
Waterdrop WD-CTF-06 Countertop Water Filter
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.
Frizzlife UDS99-S Under Sink Water Filter System
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.
Waterdrop 10UB Under Sink Water Filter System
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.
Waterdrop 10UB-UF Ultra Filtration System
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.
Frizzlife SK99 Under Sink Water Filter System
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.
Waterdrop TSA 3-Stage Under Sink Filter System
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.
ICEPURE WFC5300A Under Sink Water Filter System
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.
iSpring US15SD Direct-Connect Under Sink Filter
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.
SYGOODLIFE 0.01 Micron Under Sink Water Purifier
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.
GLACIER FRESH Under Sink Water Filter System
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.
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.
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.

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.