- Waterdrop Undersink Water Filtration System employs an advanced UF membrane, which reduces bacteria, microorganisms, and any contaminants larger than 0.01 μm.[1]
- The under counter water filtration system comes with a lead-free brushed stainless steel faucet. The combination of the dedicated faucet and your original faucet will separate the filtered water from unfiltered water, thereby secures a prime water quality.
- With innovative push-to-connect fittings, the entire installation process takes less than 3 minutes. The twist-and-lock design ensures that you can replace the filter in 3 seconds without any tools.
- The extended filter life ensures the filtration capacity of 8,000, 16,000, 19,000 gallons, this under sink water filter system delivers safe filtered water all day long.[2]
- Click here to compare our undersink single-stage water filters.
Model number
WD-10UB-UF
WD-15UB-UF
WD-17UB-UF
Product dimensions
WD-10UB-UF: 3.6" * 3.85" * 12.3"
WD-15UB-UF: 3.6" * 3.85" * 16.7"
WD-17UB-UF: 3.6" * 3.85" * 19.1"
Operating temperature
2-38℃/35-100℉
Materials
System cover: BPA-free plastic
Faucet: metal
Filter: Polyester membrane Ultrafiltration (UF) membrane Activated carbon block KDF
Item weight
WD-10UB-UF: 3.74 lb
WD-15UB-UF: 4.07 lb
WD-17UB-UF: 4.64 lb
Color
Black
Included components
Waterdrop Undersink Water Filtration System ×1
1/4" PE tubing ×1
SS 304 faucet and connect fitting ×1
3/8"- 1/2" Convertor set and feed water adapter ×1
Teflon tape ×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
0.01 μm, this under sink filter system reduces of chlorine and reduce 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 reduces 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](https://cdn.shopify.com/s/files/1/0078/6156/7570/files/wd-undersink-ub-uf-img-1.png?v=1622700108)
Advanced
UF membrane
UF membrane
- Any contaminants larger than 0.01μm cannot go through the ultrafiltration membrane, which results in excellent filtration performance.[1]
Compact
but efficient design
but efficient design
- The compact design saves a significant amount of under-sink space and creates more room for storage.
![No waiting for pure water](https://cdn.shopify.com/s/files/1/0078/6156/7570/files/wd-product-ubuf-overviews-img3.jpg?v=1713168845)
![No waiting for pure water](https://cdn.shopify.com/s/files/1/0078/6156/7570/files/wd-product-ubuf-overviews-img1.jpg?v=1713168845)
Simple
installation
installation
- Easy installation takes only
3minutes.
- Replacing the filter also takes
3seconds.
- The push-to-connect fittings make installation easier, saving you time and effort.
Versatile use
Connect with the dedicated faucet
- This under counter water filtration system comes with a lead-free brushed stainless steel faucet designed to provide safe filtered water. You can install the new faucet into the original faucet hole or drill a 1⅜” hole for it.
- The dedicated faucet and your original faucet will separate the filtered water from unfiltered water, which meets different daily water needs.
![Less consumption and more energy conservation](https://cdn.shopify.com/s/files/1/0078/6156/7570/files/wd-undersink-ub-uf-img-4.png?v=1622700108)
![CF Filter and MRO Filter](https://cdn.shopify.com/s/files/1/0520/4561/1184/files/20240528-175608.jpg?v=1716890245)
Improved filtration
- Four-stage filtration. This under-sink water purification system adopts an advanced ultrafiltration membrane to reduce chlorine, 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.[1]
- 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:
- 8,000 gallons
- 16,000 gallons
- 24,000 gallons
- Waterdrop Undersink Water Filtration System can meet a tap water consumption of 22 gallons a day.[2]
![Composite filter technology](https://cdn.shopify.com/s/files/1/0078/6156/7570/files/wd-undersink-ub-uf-img-6.png?v=1622700108)
![Reverse osmosis membrane](https://cdn.shopify.com/s/files/1/0078/6156/7570/files/wd-product-ubuf-overviews-img2.jpg?v=1713168845)
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.
![kitchen](https://cdn.shopify.com/s/files/1/0078/6156/7570/files/wd-undersink-ub-uf-img-8.png?v=1622700108)
This system filters out contaminants while retaining
beneficial elements. It’s ideal for cooking, washing fruits and vegetables, and washing
dishes.
![bathroom](https://cdn.shopify.com/s/files/1/0078/6156/7570/files/wd-undersink-ub-uf-img-9.png?v=1622700108)
The filtered water is ideal for face washing, skincare, and
personal cleansing, as it maintains skin vitality.
Reference:
[1]*Information is based on Effectiveness of Membrane Filtration to
Improve Drinking Water: A Quasi-Experimental Study from Rural Southern India, Nov 2016.
*Information is based on CARBON BLOCK MANUFACTURING by WQP, June 2001.
[2]*The service life mentioned above is subject to chlorine reduction.
Actual result varies according to the local water quality.
Can I use this system with well water?
If your home already has a whole-house filter, then the system can work
perfectly with well water.
Can this system reduce TDS?
TDS stands for total dissolved solids and is basically composed of
inorganic salts and a small amount of organic matter. The system can reduce harmful substances while
keeping beneficial trace elements, though it is not designed for significant TDS removal. Please choose
Waterdrop RO system if you’d like to reduce TDS.
Can this system inhibit bacteria?
This system adopts advanced KDF, which effectively inhibits the growth of
bacteria. With a pore size of 0.01 um, the system can effectively reduce contaminants, ensuring clean,
safe, and healthy purified water.
What is the filter service life?
WD-RF10-UF: 12 months/8,000 gallons
WD-RF15-UF: 24 months/16,000 gallons
WD-RF17-UF: 36 months/24,000 gallons
Where can I buy a replacement filter?
Click here to purchase replacement filters.
Can this system replace my refrigerator filter?
With WD-UC, the system can connect to your refrigerator/icemaker and
replace your overpriced refrigerator filter. With a filtration accuracy of 0.01 μm, this inline water
filter achieves excellent filtration performance, extended filter life, and lower replacement costs.
Waterdrop has developed fridge connection kits with all the tools you need to connect WD-UA or WD-UB to
your refrigerator and ice maker.
How big is the faucet hole?
For WD-UB, the standard drilling size is 1”, and the faucet's base
diameter is 1¾”. If the sink has a soap dispenser hole, it can be used directly to install the faucet.
What is the water pressure?
Waterdrop Undersink Water Filtration System 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.
![]() UA-UF Ultra-Filtration System |
![]() UB-UF Ultra-Filtration System |
![]() UC-UF Ultra-Filtration System |
![]() TSU Ultrafiltration System |
![]() TSC Filtration System |
|
Situation | Undersink/RV/Bathroom | Undersink/RV/Bathroom | Refrigerator/Icemaker/RV | Undersink | Undersink |
---|---|---|---|---|---|
Micron Rating | 0.01μm | 0.01μm | 0.01μm | 0.01μm | 0.5 μm |
Upgrade Filter Material | Adding 0.01 micron ultrafiltration membrane | Adding 0.01 micron ultrafiltration membrane | Adding 0.01 micron ultrafiltration membrane | Adding 0.01 micron ultrafiltration membrane | × |
Removable Substances | Contaminants larger than 0.01 μm, Chlorine, Taste and Odor, Sediment, Rust, Heavy Metals | Contaminants larger than 0.01 μm, Chlorine, Taste and Odor, Sediment, Rust, Heavy Metals | Contaminants larger than 0.01 μm, Chlorine, Taste and Odor, Sediment, Rust, Heavy Metals | Most of contaminants larger than 0.01 micron | Most of chlorine, lead, mercury, fluoride, arsenic, taste and odor |
Filtration Capacity | 8000/16000/24000 Gallons | 8000/16000/24000 Gallons | 8000/16000/24000 Gallons | 6/12/24 Months | 6/12/24 Months |
Gallons Per Minute | 0.75 GPM | 0.75 GPM | 0.75 GPM | 0.6 GPM | 0.6 GPM |
Reduce TDS | No | No | No | No | No |
Retain Beneficial minerals | √ | √ | √ | √ | √ |
Dedicated Faucet | × | v | × | √ | √ |
![CF filter](https://cdn.shopifycdn.net/s/files/1/0078/6156/7570/files/RF10-UF.png?v=1700564400&width=600)
Replacement Undersink Water Filter | WD-RF10-UF
- 3.6" * 3.85" * 12.3"
- 8,000 Gallons
26.99
Total price: 26.99
Total price: 26.99
![WD-G3-N3CB Filter](https://cdn.shopifycdn.net/s/files/1/0078/6156/7570/files/WD-RF15-UF_ec22f739-3cff-42ab-8565-a3ee1edd4896.png?v=1700531116&width=600)
Replacement Undersink Water Filter | WD-RF15-UF
- 3.6" * 3.85" * 16.7"
- 16,000 Gallons
36.99
Total price: 36.99
Total price: 36.99
![WD-G3P800-N2RO Filter](https://cdn.shopifycdn.net/s/files/1/0078/6156/7570/files/WD-RF17-UF_f472a752-e649-4430-85eb-41a87bafcf69.png?v=1700531116&width=600)
Replacement Undersink Water Filter | WD-RF17-UF
- 3.6" * 3.85" * 19.1"
- 24,000 Gallons
41.99
Total price: 41.99
Total price: 41.99