Under Sink Water Filter | Direct Connect Filtration System Under Sink Water Filter | Direct Connect Filtration System
Under Sink Water Filter | Direct Connect Filtration System
Under Sink Water Filter | Direct Connect Filtration System
Under Sink Water Filter | Direct Connect Filtration System
Under Sink Water Filter | Direct Connect Filtration System
Under Sink Water Filter | Direct Connect Filtration System
Under Sink Water Filter | Direct Connect Filtration System
Under Sink Water Filter | Direct Connect Filtration System
Under Sink Water Filter | Direct Connect Filtration System
Under Sink Water Filter | Direct Connect Filtration System

Under Sink Water Filter | Direct Connect Filtration System

Model:WD-UA
Regular price
$95.99
Sale price $95.99 Regular price
20% OFF CODE:
UA
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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, 24,000 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/ANSI 372 standard. BPA-free materials are also ensured. Effective chlorine reduction is certified against NSF/ANSI 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.
    • [Compare] Click here to compare our undersink single-stage water filters.
  • Related Blog
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Shipping policy

Shipping rates and delivery estimates


Shipping Method

Estimated Delivery Time

Costs

Economy Shipping

4-8 Business Days

Free

Standard Shipping

3-6 Business Days

$5.99 (Free on orders over $200)

Express Shipping

2-3 Business Days

$10.99 (Package Weight: Under 9 lb)
$26.99 (Package Weight: 9 - 22 lb)
$42.99 (Package Weight: Over 22 lb)


* Shipping charges for your order will be calculated and displayed at checkout.

* Delivery time is based on the shipping date, not the order date. Please note that actual shipping dates may be delayed due to factors such as invalid shipping addresses, weekends, or holidays.


Handling Time:

We need 24 to 48 hours to prepare your order. Most packages will be shipped within 24 hours, excluding weekends and holidays.


Track your order

Once your order has shipped, you'll receive an email with tracking information. You can also find tracking details on your "Order Details" page.


Shipping origin

The package will be shipped from one of our US warehouses closest to your location.

* If you have any questions, feel free to contact our customer service via LiveChat or email us at service@waterdropfilter.com. We will respond as soon as possible!


Shipping areas

We deliver to most U.S. states. Some products can be shipped to Alaska and Hawaii for an additional shipping fee. However, We currently do not deliver to American Samoa, Micronesia, Guam, Marshall Islands, Northern Mariana Islands, Palau, Puerto Rico, and the U.S. Virgin Islands.


International shipping

Unfortunately, we do not support international shipping at this time.


Shipping Carriers

We partner with four carriers—UPS, USPS, FedEx, and Amazon Logistics US—to ensure timely delivery

Note: We cannot accommodate specific carrier requests.


Delivery Time Exceeded

Shipping delays may occur due to weather, natural disasters, carrier issues, or high-risk orders. If your order is delayed, please contact us at service@waterdropfilter.com, and we will check the situation with the transportation company promptly. Thank you for your understanding and support.


Sales Tax

Sales tax will be collected as required by U.S. law for deliveries to the following states: AZ, CA, CO, FL, GA, IL, IN, KY, MA, MD, MI, MN, NC, NJ, NV, NY, OH, PA, TX, UT, VA, WA, WI. Rates are determined by local governments, and all collected taxes will be promptly reported to the IRS.

30-Day Return ×
No Worries Guarantee

Thank you for shopping at Waterdrop. We appreciate your decision to purchase our products and aim to ensure a rewarding experience throughout your exploration, evaluation, and purchase process.


Order Cancellations:


If you wish to cancel an order, please contact our customer service team.


1. If you contact us within 24 hours of purchase:


Since most orders ship the same day, kindly email us at contact service@waterdropfilter.com or call us at (888)-352-3558 within 24 hours of placing the order. There will be no cancellation fees for standard items canceled before shipment. If the package has already been shipped, we will provide a prepaid label for return, and once we receive the package from you, we will issue a refund.


2. If you contact us after 24 hours of purchase:


  • In such cases, you will need to bear the shipping fee if the package is already shipped (subject to our system status, not the order status).
  • The product must be damage-free, packed in the original packaging we sent to you, and returned with the original receipt of purchase.
  • We will process your refund after receiving the package.

30-day Risk-free Return Policy:


  • You are eligible to return any item* within 30 days of receipt.
  • All returned items must be disassembled and repackaged as they were originally received.
  • The 30-day risk-free return policy applies to all item*.
  • No restocking fee will be charged, but customers are responsible for the return shipping cost. We will cover the return postage expenses in the case of any return requests related to a quality issue.
  • Please note that the 30-day risk-free return policy is only valid for orders* within the continental United States.


Return after 30 Days of Receipt:


  • You may still return any item after 30 days of receipt.
  • In this case, customers are responsible for the return shipping cost. The total cost of shipping will be deducted from your refund.
  • All returned items must be disassembled and repackaged as they were originally received.
  • A 10% restocking fee will be applied to all returned products. However, in the event of any return requests related to a quality issue, we offer free returns or replacement with a new product.


1-year Warranty:


Enjoy peace of mind and confidence in your purchase with our 1-year warranty, backed by lifetime technical support.


If you receive a damaged item and wish to file a claim, please email service@waterdropfilter.com with your order information and a picture of the damaged or incorrect product. We are eager to assist you.


For products that become defective during the warranty period due to a quality issue, rather than your own breakage or misuse, we can accept a free return, provide free repair service, or issue a new replacement.


Exchange Policy:


1. Defective Products:


If you receive a product with quality issues or damages, please contact our customer service team within 30 days of receipt. We will provide you with a free exchange service. Please provide order information and photos of the damaged product when contacting our customer service team for better assistance.


2. Non-Quality Issues:


If you wish to exchange a product for non-quality-related reasons, please note the following:


  • The product must be within 30 days of purchase and unused.
  • The product must be returned in its original packaging, along with the original purchase receipt.
  • You will be responsible for the re-shipping costs.
  • Please note that the exchange policy is only applicable to orders made on the official waterdropfilter.com.

How to Return a Product?


If you would like to return a product, please follow these guidelines:


Step 1: Contact our customer service team before returning a product. We will respond with return instructions within 24 hours.


How to contact us:

Email: service@waterdropfilter.com

Toll-free Tel: (888)-352-3558


Step 2: Prepare the package after receiving confirmation from the customer service team, and please note the following requirements:


  • Include the order number in the package. You can print out the order detail page or leave a note inside the package.
  • Ensure the package contains the original receipt of purchase.
  • Return the product in the original packaging we provided.
  • The product must be damage-free (this does not apply to defective products, as damage will void the refund).

Step 3: Contact our customer service and provide your return tracking number. We will track the package and process your refund within 5 working days after receiving and inspecting the package.


General Information for All Returns:


1. Defective Products:

If you receive a product with quality issues or damages, please contact our customer service team. we provide free returns, replacement with a new product, and comprehensive technical support.


2. Non-Quality Issues:


  • You are responsible for shipping the products to the return address provided.
  • Returned items will undergo inspection before issuing a refund.
  • Refunds will be processed within 5 working days after the item has been inspected, and it may take 4-7 days to be reflected in your credit card statement.
  • We highly recommend using a traceable and insurable shipping method for your return. We are not responsible for returns lost or damaged in transit, and you will need to file a shipping claim.
  • Please note that orders made via 3rd-party sellers, including Amazon, are not eligible for our return policy.
  • All returned items must be disassembled and repackaged as they were originally received. Items returned in a condition other than "like new" will be subject to a 10% restocking fee to cover repairs or part replacement. The restocking fee will be deducted from your refund.

Return Address:


Ecolife Technologies, Inc.

1951 S Lynx Pl,

Ontario, CA 91761

United States

Tel: 888-352-3558


Price Match Policy:


At Waterdrop, we highly value our customers' shopping experience. That's why we offer a 30-day price match guarantee. If you happen to notice a price reduction on the item you purchased at waterdropfilter.com within 30 days of your purchase, you are eligible to claim a price-match refund. To request a refund, please contact us at service@waterdropfilter.com. We are here to assist you promptly.


Note: This Waterdrop price-change refund policy only applies to items shipped and sold by waterdropfilter.com. If you're buying from a different vendor, you'll need to contact that seller if the price drops.

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Hear it Straight From Our Pros and Users
Installing our 17UA-UF Undersink Water Filter!
With a 3-year lifespan, 3-second quick cartridge change, and NSF/ANSI 372/42/53 certified high-performance filtration, it's the perfect water purification solution!
BETTER Tasting Water - NO More Bottle Water
I'm glad ive finally got my hands on a water filter installed and working well to reduce all the bad stuff that comes through those pipes! Water tastes so much better than before!
Waterdrop Under Sink Water Filter System
It is compact in size, occuping less space, and is lower in cost while compared to expensive RO systems. if you are on a budget, this Waterdrop Under Sink Water Filter System is a perfect one!


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
filter: 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.
Water Filtration Solution
Compact Size
Outstanding Filtration
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2:1 Low Drain Ratio
2:1 Low Drain Ratio
2:1 Low Drain Ratio
2:1 Low Drain Ratio

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/24,000 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.

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 8000/16000/24000 Gallons 8000/16000/24000 Gallons 8000/16000/24000 Gallons 8000/16000/24000 Gallons
Gallons Per Minute 0.75 GPM 0.75 GPM 0.75 GPM 0.75 GPM
Reduce TDS No No No No
Retain Beneficial minerals
Dedicated Faucet × × ×
CF filter
Replacement Undersink Water Filter | WD-RF10
  • 3.6" * 3.85" * 12.3"
  • 8,000 Gallons
24.99
Total price: $24.99
Total price: $24.99
WD-G3-N3CB Filter
Replacement Undersink Water Filter | WD-RF15
  • 3.6" * 3.85" * 16.7"
  • 16,000 Gallons
31.99
Total price: $31.99
Total price: $31.99
WD-G3P800-N2RO Filter
Replacement Undersink Water Filter | WD-RF17
  • 3.6" * 3.85" * 19.1"
  • 24,000 Gallons
41.99
Total price: $41.99
Total price: $41.99