- [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.
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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) |
* 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.
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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Key Feature
-
Related Blog
- Waterdrop Under-Sink Water Filter System Comparison: Single-Stage vs. 3-Stage
- In recent years, scandals regarding water safety emerge one after another and turn water filtration products to be the “must-haves” for U.S. households. Among all types of water filtration products on the market, the under-sink water filter system has been a popular option for its excellent filtration performance and little amount of maintenance effort.
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) |
* 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.
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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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
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Can I use Waterdrop undersink water filter system with well water?
Can this undersink filtration system reduce TDS?
When to replace the under sink water filter?
Can this undersink filtration system replace my refrigerator water filter?
What is the recommended water pressure for under sink water filter?
What can this under sink water filter system remove?
Where can I buy a replacement filter for this undersink water filter?
Can I use this undersink water filter in my RV?
Does this under sink filtration system reduce water pressure?
Can Waterdrop under sink water filter remineralize water?
How to install the under sink water filter?
What is the difference between WD-UA/UB/UC?
![]() 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 | × | × | √ | × |
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- 3.6" * 3.85" * 12.3"
- 8,000 Gallons
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- 3.6" * 3.85" * 16.7"
- 16,000 Gallons
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- 3.6" * 3.85" * 19.1"
- 24,000 Gallons