Waterdrop - TST-UF Under Sink Water Filter System Extra WD-C3 Water Filter - Silver
About this product
The Waterdrop TST-UF is a 0.01μm ultra-filtration under sink water filter made of durable 304 stainless steel, designed to directly connect to your kitchen faucet. With 6 layers of filtration materials, it effectively removes 99.99% of contaminants larger than 0.01μm, including chlorine, heavy metals, and odors, while retaining beneficial minerals like calcium and magnesium. Delivering a fast 1.59 GPM flow rate, it fills an 8 oz cup in just 2.3 seconds, making it perfect for cooking, coffee, and baby formula. The system features long-lasting filters with up to 24 months of service life, versatile installation options, and eco-friendly design that reduces plastic waste. Stylish, sturdy, and easy to install, it provides cleaner, fresher water without reducing TDS.
Features
EFFICIENT FILTRATION & BETTER TASTE
This product elevates your water game, giving you a taste that's better than your run-of-the-mill bottled water. And forget about that pricey coffee joint—brew up java at home that'll knock your socks off.
SIMPLE INSTALLATION
Hook it up directly to your 3/8" or 1/2" home water pipe. If you're a DIY pro, you'll breeze through setup. Not a handyman? No sweat—we've got handy installation videos and instructions, plus our customer service team is on standby to answer any questions.
FAST AND STABLE WATER FLOW
Ain't nobody got time to wait around for water. With a flow rate of up to 1.59GPM, this under sink water filter fills up an 8-ounce cup in just 2.3 seconds. It's lightning-fast and stays steady, so you can whip up meals or mix baby formula in record time.
LONG FILTER LIFE AND MORE GOOD FOR THE ENVIRONMENT
These filters are built to last. The PP filter goes strong for 6-8 months, the UF filter for a year, and the CT filter for 12-24 months. Plus, by cutting down on plastic casing changes, we're saving Mother Earth from 500,000 pounds of waste each year—that's enough space to plant 20,000 trees!
FILTERS LARGE VOLUME OF SUBSTANCES
This under sink water filtration system has 6 layers of top-notch filter materials, including a precision ultrafiltration membrane that can reduce impurities larger than 0.01 microns. Say goodbye to chlorine, heavy metals, funky odors, and more.
Specifications
- BrandWaterdropModel NumberWD-TST-C3Product NameWaterdrop TST-UF Under Sink Water Filter System Extra WD-C3 Water FilterColorSilverProduct Height19 inchesProduct Width18.4 inches
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The Waterdrop TST-UF is a 0.01μm ultra-filtration under sink water filter made of durable 304 stainless steel, designed to directly connect to your kitchen faucet. With 6 layers of filtration materials, it effectively removes 99.99% of contaminants larger than 0.01μm, including chlorine, heavy metals, and odors, while retaining beneficial minerals like calcium and magnesium. Delivering a fast 1.59 GPM flow rate, it fills an 8 oz cup in just 2.3 seconds, making it perfect for cooking, coffee, and baby formula. The system features long-lasting filters with up to 24 months of service life, versatile installation options, and eco-friendly design that reduces plastic waste. Stylish, sturdy, and easy to install, it provides cleaner, fresher water without reducing TDS.

𝐀𝐭𝐭𝐞𝐧𝐭𝐢𝐨𝐧!!!Please note that the filter is pre-installed and ready for use upon receipt. There is no need to disassemble it. The included wrench is provided for future filter replacements.

The Waterdrop TSB-CM under sink water filter system is specially designed to reduce chloramine in areas like California, Florida, and Washington, D.C., where it is commonly used in tap water treatment. Certified to NSF/ANSI 42, it uses a catalytic carbon block and a three-stage filtration process to effectively reduce chloramine, chlorine, fluoride, heavy metals, turbidity, rust, and more while retaining beneficial minerals. Built with a durable, zero-leak design, it has long-lasting filters with lifespans of up to 12 months, saving replacement costs. The system comes with a brushed nickel faucet, fits 3/8" and 1/2" cold water tubes, and allows easy DIY installation in 3 minutes and 3-second filter replacement. Designed for municipal tap water only, it does not reduce TDS and is not suitable for well or hot water.

The Waterdrop TSU is a 0.01 micron ultra-filtration under sink water filter system with a 3-stage tankless design and premium brushed nickel faucet. It reduces over 30 substances including chlorine, PFAS, heavy metals, taste, and odor while retaining beneficial minerals, without wasting water or reducing TDS. Featuring a smart panel with filter life reminders, the UF filter lasts up to 24 months, CT filter 12 months, and PP filter 6 months, minimizing maintenance costs. Compact and space-saving at just 4.68"W x 13.97"H x 14.81"L, it fits easily under most sinks and includes all components for simple installation, offering cleaner, great-tasting water with lasting convenience.
Specs
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