- [Ultra-long service life] Waterdrop undersink water filtration system has a maximum service life of 8,000, 16,000, 19,000 gallons or 12, 24, 36 months.[1]
- [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 filtration system can 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 tested full flow rate of this undersink water filtration system is 0.75 gpm at 60 psi. The fast and stable water supply and the compact design make the under sink water filter meet your various water needs.










Shipping rates and delivery estimates
Shipping Method |
Estimated Delivery Time |
Costs |
UK Standard Shipping |
2-4 Business Days |
Free |
UK Express Shipping |
1-2 Business Days |
£3.99 |
* Shipping charges for your order will be calculated and displayed at checkout.
* The Delivery Time is calculated based on the shipping date, not the order date. The actual shipping date can be delayed due to invalid shipping address, weekends/holidays, etc.
Handling Time:
We need 24h to 48h to prepare your order, most of the packages will be shipped out within 24 hours except weekends and holidays.
Track your order
Once your order is shipped, you will receive an email from us containing the tracking information. Tracking information is also available in your "Order Details" page.
Shipping areas
The products can be delivered to the most regions of the UK except military BFPO address (postcode starting with BT, BFPO, BF1, HA46DQ, D18CX65, E41TR26, D24HK7D), Channel Island (GUERNSEY, JERSEY, IRELAND).
International shipping
We are sorry that the international shipping service is not supported for the time being.
Shipping Carriers
Amazon functions as our logistics partner to ship out Waterdrop products. They will choose the carrier that they think works best for our customers.
Note: We don't accept requests to specify a certain carrier to deliver the package.
Shipping origin
We work with multiple Amazon warehouses in the United Kingdom, will arrange shipments from closest warehouse nearby your address.
* If you have any questions, you can contact our customer contact customer service within 24h for help via LiveChat or email to service@waterdropfilter.com, we will reply to you as soon as possible!
Thanks for shopping at Waterdrop. We appreciate the fact that you like to buy the stuff we build. We also want to make sure you have a rewarding experience while you’re exploring, evaluating, and purchasing our products.
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.
14-day Risk-free Return Policy:
- You are eligible to return any item* within 14 days of receipt.
- All returned items must be disassembled and repackaged as they were originally received.
- The 14-day risk-free return policy applies to all item*.
- No restocking fee will be charged, but customers are responsible for the return shipping cost.
- Please note that the 14-day risk-free return policy is only valid for orders* within the continental United Kingdom.
Return after 14 Days of Receipt:
- You may still return any item after 14 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 for all returned products.
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.co.uk.
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:
- 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:
Contact our customer service for a return address.
Note: If you are returning a Reverse Osmosis or any other large / high value item (that cost more than £100) you must contact us. Large / Special Items Please note that the following large / high value items must be returned in their original condition or at least in a reasonable / re-sellable condition. The above special items which have been opened will only be refunded if they prove to be faulty, or damaged.
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.co.uk 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.co.uk. If you're buying from a different vendor, you'll need to contact that seller if the price drops.










Waterdrop UB Undersink Water Filtration System With Dedicated Faucet
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Key Feature
Shipping rates and delivery estimates
Shipping Method |
Estimated Delivery Time |
Costs |
UK Standard Shipping |
2-4 Business Days |
Free |
UK Express Shipping |
1-2 Business Days |
£3.99 |
* Shipping charges for your order will be calculated and displayed at checkout.
* The Delivery Time is calculated based on the shipping date, not the order date. The actual shipping date can be delayed due to invalid shipping address, weekends/holidays, etc.
Handling Time:
We need 24h to 48h to prepare your order, most of the packages will be shipped out within 24 hours except weekends and holidays.
Track your order
Once your order is shipped, you will receive an email from us containing the tracking information. Tracking information is also available in your "Order Details" page.
Shipping areas
The products can be delivered to the most regions of the UK except military BFPO address (postcode starting with BT, BFPO, BF1, HA46DQ, D18CX65, E41TR26, D24HK7D), Channel Island (GUERNSEY, JERSEY, IRELAND).
International shipping
We are sorry that the international shipping service is not supported for the time being.
Shipping Carriers
Amazon functions as our logistics partner to ship out Waterdrop products. They will choose the carrier that they think works best for our customers.
Note: We don't accept requests to specify a certain carrier to deliver the package.
Shipping origin
We work with multiple Amazon warehouses in the United Kingdom, will arrange shipments from closest warehouse nearby your address.
* If you have any questions, you can contact our customer contact customer service within 24h for help via LiveChat or email to service@waterdropfilter.com, we will reply to you as soon as possible!
Thanks for shopping at Waterdrop. We appreciate the fact that you like to buy the stuff we build. We also want to make sure you have a rewarding experience while you’re exploring, evaluating, and purchasing our products.
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.
14-day Risk-free Return Policy:
- You are eligible to return any item* within 14 days of receipt.
- All returned items must be disassembled and repackaged as they were originally received.
- The 14-day risk-free return policy applies to all item*.
- No restocking fee will be charged, but customers are responsible for the return shipping cost.
- Please note that the 14-day risk-free return policy is only valid for orders* within the continental United Kingdom.
Return after 14 Days of Receipt:
- You may still return any item after 14 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 for all returned products.
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.co.uk.
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:
- 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:
Contact our customer service for a return address.
Note: If you are returning a Reverse Osmosis or any other large / high value item (that cost more than £100) you must contact us. Large / Special Items Please note that the following large / high value items must be returned in their original condition or at least in a reasonable / re-sellable condition. The above special items which have been opened will only be refunded if they prove to be faulty, or damaged.
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.co.uk 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.co.uk. If you're buying from a different vendor, you'll need to contact that seller if the price drops.
Model number
WD-10UB
WD-15UB
WD-17UB
Product dimensions
WD-10UB: 3.6"*3.85"*12.3"
WD-15UB: 3.6"*3.85"*16.7"
WD-17UB: 3.6"*3.85"*19.1"
Replacement filter
WD-RF10/15/17
Operating temperature
2-38℃/35-100℉
Materials
System cover: BPA-free plastic
Faucet: metal
Filter: Polyester membrane Activated carbon block KDF
Item weight
WD-10UB: 3.74 lb
WD-15UB: 4.07 lb
WD-17UB: 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

but efficient design
- The compact design saves a significant amount of under-sink space and creates more room for storage.
installation
- Easy installation takes only
3minutes.
- Replacing the filter also takes only
3seconds.
- The push-to-connect fittings make installation easier, saving you time and effort.


- 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.



- 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.
- 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]


- 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 |
![]() UB Undersink Filtration System |
![]() UB-UF Ultra-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 | 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 |
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 | × | √ | √ | × |
In addition to easy installation, it has a high value in terms of price quality connection, we see significant changes in the taste and colours of the water.
Great product take me 15min to fit with drilling the hole. I am so happy and will buy replacement filters in future. Recommend to everyone so you can safe buying water bottles from the shop every week.
Great product good instructions and took me 2 hrs to fit which again went smoothly with options for different sized connectors all in all very happy customer.
No complaints
- Shipping Method
- UK Standard Shipping
- UK Express Shipping
- Estimated Delivery Time
- 2-4 Business Days
- 1-2 Business Days
- Costs
- Free
- £3.99
* The Delivery Time is calculated based on the shipping date, not the order date. The actual shipping date can be delayed due to invalid shipping address, weekends/holidays, etc.
Note: We don't accept requests to specify a certain carrier to deliver the package.