Under Sink Water Filter | Direct Connect Filtration System

  • Waterdrop
409 reviews
$49.99

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Key Feature

  • [Ultra-Long Service Life] When used with municipal water, this under sink water filter serves a life of 8,000, 16,000, 19,000 gallons or 12, 24, 36 months.
  • [Innovative Multistage Filtration] Waterdrop undersink water filter adopts advanced multistage filtration to effectively reduce chlorine, odor, sediment, and other heavy metals, which is tested by the third-party laboratory. [2]
  • [Authority Guaranteed Materials] Premium lead-free materials are fully certified by the WQA against NSF 372 standard. BPA-free materials are also ensured. Effective chlorine reduction is certified against NSF 42 standard by the WQA.
  • [Easy Installation] The under sink water filter should be connected only to a cold water supply. Easy to install because of the innovative push-to-connect fittings and the twist-and-lock design.
  • [Fast Flow Rate & Multiple Uses] The fast and stable water supply and the compact design make the under sink water filter fits the kitchen, bathroom, RV, or small-scale offices to meet your various water needs.

Under Sink Water Filter | Direct Connect Filtration System

$49.99
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Under Sink Water Filter | Direct Connect Filtration System

$49.99
Model number
WD-10UA 
WD-15UA
WD-17UA
Replacement filter
WD-RF10/15/17
Compatibility
 Suitable for faucets with 1/2" or 3/8" FEMALE NPT thread. If a female threaded connector is needed to connect to your faucet, please contact us BEFORE purchase.
Product dimensions
 WD-10UA: 3.6" * 3.85" * 12.3"
WD-15UA: 3.6" * 3.85" * 16.7"
WD-17UA: 3.6" * 3.85" * 19.1"
Operating temperature
2-38℃/35-100℉
Materials
System cover: BPA-free plastic
Faucet: metal
ilter: Polyester membrane Activated carbon block KDF
Item weight
WD-10UA: 3.30 lb
WD-15UA: 3.63 lb
WD-17UA: 4.20 lb
Color 
Black
Included components
 Waterdrop Undersink Water Filtration System ×1
Inlet hose ×1
Outlet hose ×1
3/8"- 1/2" Convertor set ×1
Self-tapping screws ×1
Teflon tape ×1 and Drilling sticker ×1
Waterdrop Undersink Water Filtration System is designed to improve the quality of your tap water. The purifier has advanced filtration technology that delivers tasty purified water from the first sip to the last drop. With a filtration accuracy of 0.5 μm, this under sink filter system can reduce chlorine, taste and odor, sediment, rust, and other heavy metals. You don’t have to worry about the safety of the filtered water. This under-sink water purification system comes with three connection plans to meet your various water needs, with plan A to connect to your own faucet, plan B to connect to a dedicated faucet, and plan C to connect to your refrigerator/icemaker. The purifier filters out contaminants while retaining beneficial elements. It is ideal for cooking, washing fruits and vegetables, and washing dishes. The stable flow rate ensures that you can use clean water immediately. The under counter water filter reduces contaminants that lead to dry skin and nervous system problems. The filtered water is also ideal for face washing, skincare, and personal cleansing, as it maintains skin vitality. The under sink water purifier works without electricity and doesn’t produce wastewater. Also, it is ideal for RV use. With efficient filtration performance, the system delivers tasty, purified water to meet your various outdoor water needs. The specially added KDF ensures filter hygiene even during the non-camping season. The compact design saves a lot of under-sink space and creates more room for storage. Say farewell to bulky bottled water.
Waterdrop Undersink Water Filtration System is a compact undersink water filtration system designed to improve the quality of your tap water. The system has advanced filtration technology that delivers tasty purified water from the first sip to the last drop. With a filtration accuracy of 0.5 μm, Waterdrop Undersink Water Filtration System reduce the contaminants such as chlorine, taste and odor, sediment, rust, and other heavy metals. You don’t have to worry about the safety of the filtered water. Waterdrop Undersink Water Filtration System comes with three connection plans to meet your various water needs, with plan A to connect to your own faucet, plan B to connect to a dedicated faucet, and plan C to connect to your refrigerator/icemaker. The system filters out contaminants while retaining beneficial elements. It’s ideal for cooking, washing fruits and vegetables, and washing dishes. The stable water flow rate ensures that you can use clean water immediately. The system reduces contaminants in tap water that lead to dry skin and nervous system problems. The filtered water is also ideal for face washing, skincare, and personal cleansing, as it maintains skin vitality. The system works without electricity and doesn’t produce wastewater. Also, the system is ideal for RV use. With efficient filtration performance, the system delivers tasty, purified water to meet your various outdoor water needs. The specially added KDF ensures filter hygiene even during the non-camping season. The compact design saves a lot of under-sink space and creates more room for storage. Say farewell to bulky bottled water.
Less consumption and more energy conservation
Compact
but efficient design
  • The compact design saves a significant amount of under-sink space and creates more room for storage.
Simple
installation
  • Easy installation takes only
    3
    minutes
    .
  • Replacing the filter also takes only
    3
    seconds
    .
  • The push-to-connect fittings make installation easier, saving you time and effort.
No waiting for pure water
Less consumption and more energy conservation
Versatile use
Connect with the original faucet
  • This under counter water filtration system has a stable water flow and high filtration efficiency. The tested full flow rate is 0.75 gpm at 60 psi. You’ll get filtered water without the wait.
  • Waterdrop Undersink Water Filtration System has different options for connecting to your original faucet, a dedicated Waterdrop faucet, or your refrigerator. Click here to connect with the dedicated faucet. Click here to connect with your refrigerator/icemaker.
kitchen
This system filters out contaminants while retaining beneficial elements. It’s ideal for cooking, washing fruits and vegetables, and washing dishes.
bathroom
The filtered water is ideal for face washing, skincare, and personal cleansing, as it maintains skin vitality.
break room
The adequate water supply meets the water needs in small-scale offices. This purifier works without electricity and doesn’t produce wastewater.
rv
This system delivers tasty purified water to meet your various outdoor water needs. The specially added KDF ensures filter hygiene even during the non-camping season.
CF Filter and MRO Filter
Improved filtration
  • With a filtration accuracy of 0.5μm, this under-sink water purification system reduces the contaminants such as chlorine, taste and odor, sediment, rust, and other heavy metals, which is tested by the third-party laboratory. You don’t have to worry about the safety of the filtered water. [2]
  • The under counter water filter system also retains minerals that are essential to your body, such as potassium, calcium, sodium, and magnesium. Enjoy fresh, healthy water with Waterdrop.
Extended filter life
  • Filtration capacity up to:
  • 8,000 gallons
  • 16,000 gallons
  • 19,000 gallons
  • Waterdrop Undersink Water Filtration System can meet a tap water consumption of 22 gallons a day. [1]
Composite filter technology
Reverse osmosis membrane
Less future replacement cost
  • On average, you’ll spend 10¢ per day for the first year. You’ll pay only 5¢ per day for the filter replacement and your water quality will improve with each passing day.
  • Note: Cost varies according to product model.

UA Undersink Filtration System

UA-UF Ultra-Filtration System

UB Undersink Filtration System

UC Undersink Filtration System

Situation Undersink/RV/Bathroom Undersink/RV/Bathroom Undersink/RV/Bathroom Refrigerator/Icemaker/RV
Upgrade Filter Material × Adding 0.01 micron ultrafiltration membrane × ×
Removable Substances Chlorine, heavy metals, chemical pollutants, sediment and other large particles Contaminants larger than 0.01 μm, Chlorine, Taste and Odor, Sediment, Rust, Heavy Metals Chlorine, heavy metals, chemical pollutants, sediment and other large particles Chlorine, heavy metals, chemical pollutants, sediment and other large particles
Filtration Capacity 8000/16000/19000 Gallons 8000/16000/19000 Gallons 8000/16000/19000 Gallons 8000/16000/19000 Gallons
Gallons Per Minute 2 GPM 2 GPM 2 GPM 2 GPM
Reduce TDS No No No No
Retain Beneficial minerals
Dedicated Faucet × × ×
Reference:
[1] *The service life mentioned above is subject to chlorine reduction. Actual result varies according to the local water quality.
[2] *Information is based on EPA Facts About Actived Carbon Treatment by EPA in 1992

Can I use Waterdrop undersink water filter system with well water?

Only if you already have a whole house water filter, then this under sink water filter can work perfectly with well water.

Can this undersink filtration system reduce TDS?

TDS stands for total dissolved solids and is basically composed of inorganic salts and a small amount of organic matter. Waterdrop undersink water filter is not designed for significant TDS removal. If you want to reduce TDS, please choose a Waterdrop RO system.

When to replace the under sink water filter?

According to the different model numbers, Waterdrop under sink water filter serves different life span.
WD-10UA: 12 months/8,000 gallons
WD-15UA: 24 months/16,000 gallons
WD-17UA: 36 months/19,000 gallons

Can this undersink filtration system replace my refrigerator water filter?

The under sink water filter WD-UC can connect to your refrigerator/icemaker and replace your overpriced refrigerator filter. And Waterdrop has developed fridge connection kits with all tools if you need to connect WD-UA/UB to your refrigerator.

What is the recommended water pressure for under sink water filter?

Waterdrop under sink water filter is built to handle a great deal of pressure and is designed to be installed on cold water lines only. In general, the water pressure in homes should be around 60psi. The recommended water pressure is between 10-125 psi.

What can this under sink water filter system remove?

Waterdrop under sink water filter uses innovative five-stage filtration to effectively reduce chlorine, heavy metals like mercury, and other chemical contaminants. It also filters out sediment and other large particles, thereby preventing scale buildup.

Where can I buy a replacement filter for this undersink water filter?

Click here to purchase the replacement filters for this under sink water filter.

Can I use this undersink water filter in my RV?

Yes. Waterdrop under sink water filter can be used in RV or small-scale offices with its fast and stable water supply and the compact design. Buy it and enjoy clean water during your trip!

Does this under sink filtration system reduce water pressure?

This undersink water filter system will reduce water pressure a little but not significantly. The system is built to handle a great deal of pressure and it has a stable water flow. Here is the information on the water pressure of this system for your reference:
The tested full flow rate is 2.0gpm at 60psi.
The recommended feed water pressure is between 10-125 psi.

Can Waterdrop under sink water filter remineralize water?

If you want to drink remineralized water, Waterdrop provides an undersink remineralization filtration system and its replacement filter, you can choose one according to your need.

How to install the under sink water filter?

Step 1: Fix the filter head and the filter.
Step 2: Connect the water supply (cold water supply only).
You can get a detailed instruction and a user manual on the product page.

What is the difference between WD-UA/UB/UC?

WD-UA should be connected to your original faucet, while UB comes with a lead-free brushed stainless steel faucet. You can install the new faucet into the original faucet hole, or drill a 1” hole for it. The dedicated faucet and your original faucet will separate the filtered water from unfiltered water, which meets different daily water needs.
WD-UC filters can be the replacements for most refrigerators. It’s time to replace your overpriced refrigerator filters so that you can enjoy better filtration performance, a longer service life, and a lower maintenance cost.
*Some of the reviews are synchronized from Amazon.com/ WaterdropDirect Store
Customer Reviews
4.5 Based on 409 Reviews
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Filter Reviews:
DH
03/12/2021
David H.
Good purchase

Super easy to install, very fast flow rate!

M
03/09/2021
meep
Good product

It eliminates the strange taste & easy to install

A
03/08/2021
acaster16
Quality so far is good

Just got this a few weeks ago, so far it's good. Hopefully it'll last longer

P
03/04/2021
Pandora
It works great ??.

Love it why better then a $3,000. Unit i had that you could not find parts to fix and leaked everywhere. This when together like a charm, and works like a champ.A different buy for drinking water fill up a gallon in little time especially when you have little kids wanting a drink now.

W
03/01/2021
WhatsItMatter
Water tastes amazing

Water tastes amazing

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