- [More filters, better taste] This under sink filter system comes with 3 filters and can realize 8-stage deep filtration to reduce PFAS, PFOA/PFOS, residual chlorine, fluorides, heavy metals, silt, rust, cyst, etc. Its KDF materials can effectively reduce heavy metals. Its fluoride reduction resin reduces 97% of fluorides. This filter has passed IAPMO certification to reduce residual chlorine and improve taste, thereby ensuring every drop is pure and healthy. It also can retain minerals, but cannot reduce TDS.
- [No cracking no leaking] With its sealed and durable under sink water filters, there is no need to change bottom caps and no worries about cracking and leaking.
- [Built to last] The 3 under counter water filters have a lifespan of 6 months, 8-12 months, and 12-18 months, respectively. [1] The 3-stage under counter drinking water filter's long lifespan reduces the burden of purchasing filters every now and then.
- [No waste only joy] Get clean, pure, and tasty water directly from your water pipe, without wasting a single drop. Insist your green lifestyle with this 3-stage under the sink filter system in your home.
- [Effortless installation] The entire installation process takes less than 3 minutes with no plumbing required. The twist-and-lock design allows you to replace each filter in just 3 seconds.
- [Impressive compatibility] This under sink water filtration system works perfectly with 3/8" and 1/2" cold water tubes.






















-
Free Shipping On all orders
-
30-Day Return No worries guarantee
-
User Manual Detailed instruction
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.






















3-stage Under Counter Water Filter System with Dedicated Faucet Waterdrop TSB
Couldn't load pickup availability
Guaranteed Safe Checkout

-
Key Feature
-
Free Shipping On all orders
-
30-Day Return No worries guarantee
-
User Manual Detailed instruction
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.
Model Number
WD-TSB-10
Feed Water Pressure
10-125 psi
Feed Water Temperature
35-100℉/ 2-38℃
Flow Rate
1.7-2gpm
Filter Capacity
WD-10PP: 6 months
WD-10GC: 8-12 months
WD-10CT: 12-18 months
Is under counter water filter worth to buy?
What is the difference between WD-TSA and WD-TSB ?
What are the differences between WD-TSA / TSB and WD-UA / UB ?
How to install the 3-stage under counter drinking water filter ?
How to replace under counter water filters ?
When to replace the filters of this under sink water filtration system ?
Does the installation of this 3-stage under counter drinking water filter needs any tools or kits ?
What can this under counter water filter remove ?
Can Waterdrop 3-stage under the sink filter system reduce TDS ?
What are the pros of this water filter for sink ?
Why does the water leak after the installation ?








*Information is based on EPA Facts About Actived Carbon Treatment by EPA in 1992
*Information is based on STUDY OF POLYPROPYLENE (PP) CARTRIDGE FILTER CHARACTERISTICS AND DEVELOPMENT OF LIQUID FILTRATION SYSTEM TEST RIG,Jun 2012
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