FAQ

The stock is sold out and we have no stock available currently. Please contact us if you want to know when will the items available.

If you are interested in an item or have bought a product and still have questions please contact us via Live Chat at the lower left corner or contact us

In order to process your order we require the following information:

Please note that we do not take orders over the phone or email, the order can only be placed online through our official stores.

There are numerous reasons for why your coupon cannot be applied:

If you have a coupon that is not working and you don't know why please contact us via Live Chat at the lower left corner or contact us.

Waterdrop accepts PayPal, Credit Card and Accelerated checkout. Please read the Payment Poilcy to learn more payment information

Please verify that your payment is confirmed. Estimated delivery time may delay due to COVID-19 or extreme weather. If the issue is still there then please contact us or email to service@waterdropfilter.com with your order information.

There are four reasons why your order was partially shipped:

Usually in this case, we will send email to you.

Please refer to our

for further information.

If the order has already been paid but is not shipped out yet, you can contact us to cancel the order in 24 hours and get a full refund. Usually the item will be shipped in 24 hours! If the order has already been sent out, we cannot help you to cancel the order. You may choose to send back the unopened products after you've received them and we will refund the money upon our receipt of the returned item(s).

Please read the Return & Refund Policy to learn more information.

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.

Please contact us as soon as you realize you need to change the delivery address, once it is shipped we cannot change the address. Please contact customer service within 24h for help via Live Chat or email to service@waterdropfilter.com immediately!

If you choose Ground Shipping, then you do not need to pay for shipping cost, if you choose Standard Shipping or Express Shipping, you need to pay the extra shipping fee.

(1) How to cancel my order before the item is shipped?

Please email to service@waterdropfilter.com, you will get the refund after our service team receives your request. (This may take up 1-3 days, thanks for your patience and understanding.)

(2) How to cancel my order when the item has been shipped?

If you contact our service team within 24 hours and the item is shipped, we could offer you a free return label and you will get the refund after we receive the item back.

If you want to cancel the order after it has been generated for more than 24 hours and shipped, you need to bear the extra return fee.

We work with 3 carriers to make sure your order will arrive on time: United Parcel Service (UPS), United States Postal Service (USPS) and FedEx.

Note: We don't accept requests to specify a certain carrier to deliver the package.

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

* If you have any questions, you can contact our customer via Live Chat or email to service@waterdropfilter.com, we will reply to you as soon as possible!

If the payment page displays an error, please kindly try to reorder. And if the same thing happens, then please contact Customer Service for help via Live Chat or email to service@waterdropfilter.com.

You can apply coupons to your order at checkout. Once you've entered your coupon code, click “apply” and the discount will automatically adjust your order total.

* If you have any questions, you can contact our customer service, we will reply to you as soon as possible!

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

If you contact us within 24 hours of purchase:

We can cancel the order for you at no additional cost. The cancellation may take up to 3 days, thank you for your patience and understanding.

If the package is already shipped, we will issue a prepaid label and return your payment AFTER we have received the package from you.

If you contact us after 24 hours of purchase:

You need to bear the return fee if the package is already shipped (depends on our system, not the order status).

The product has to be damage-free, packed in the packaging we sent to you, and with the original receipt of the purchase.

We will return your payment AFTER we have received the package from you.

There are times when we may not have the product(s) that you choose in-stock or may face some issues with our inventory and quality check. In such cases, we may have to cancel your order. You will be intimated about it in advance so that you do not have to worry unnecessarily about your order. If you have purchased via online payment (not Cash on Delivery), then you will be refunded once our team confirms your request.

After receiving your request or your packages, it may take up 1-7 business days to refund your money.

Unfortunately, due to current situations and the COVID-19, your refund may require an additional 3-5 days to process. Thank you for your patience and understanding.

If you received a damaged / incorrect item and you want to file a claim, please email service@waterdropfilter.com together with your order information and the picture of the damaged / incorrect product.

If you want to return the item without any quality issue, you need to bear the return fee yourself and pay 20% of the original order as a restocking fee.

The order number needs to be included in the package. You can print out the order detail page or contact us viaservice@waterdropfilter.com before the return.

The package needs to come back with the original receipt of the purchase.

The product has to be in the packaging we sent in the first place.

The product has to be damage-free (not applicable for defective products), damage on the product will void the refund.

The return address:

Ecolife Technologies, Inc.

17910 Ajax Circle

City of Industry, CA 91748

United States

Tel: 888-352-3558

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Waterdrop reverse osmosis water filter system adopts advanced composite filter technology. The composite filter can intercept most harmful contaminants.

(1)TDS, chlorine, taste and odor, chloramine, scale, turbidity.
(2)Carcinogens: chromium (hexavalent), chromium (trivalent), cadmium and cadmium compounds, ferric oxide.
(3)Heavy metals: lead, mercury, barium, copper, radium 226/228, aluminum.
(4)Micro organic contaminants: cysts.
(5)Inorganic pollutants: arsenic and inorganic arsenic compounds, fluoride.
(6)Organic pollutants: asbestos, benzene, formaldehyde, trichloromethane, chlordane, PFOA & PFOS, etc.

The process of reverse osmosis does not make the water unhealthy in any way. Rather, the purification benefits may protect you from many water-borne contaminants.

Yes, this machine can be used with hard water, and the TDS reduction rate will be 90% and above after complete flushing. But we do not recommend using it as a source for the RO system directly, you can install a pre-filter first, like Reusable Whole House Spin Down Sediment Water Filter.

Tank reverse osmosis system holds reverse osmosis water so you have plenty to use when you need it. A traditional tank reverse osmosis system makes water slowly. It takes one minute to produce two to three ounces of RO water. If you were to turn on your faucet for a glass of water at the actual membrane production rate, then you would have to wait at least 5 minutes for it to fill. Waterdrop tankless reverse osmosis system has overcome the issue of bacteria colonizing in the bladder tank. With no storage tank to fill, Waterdrop tankless reverse osmosis system does not run until RO water is needed.

No. Waterdrop RO systems are designed for DIY installation. You can install the system in 30 minutes. Simply refer to the instruction manual and instructional videos, or contact us by email, phone, or live chat.

This video explains how to install Waterdrop RO system.

Water Filter Pitcher & Dispenser
Waterdrop Filter Faucet
Waterdrop Replacement Pitcher water filter for Brita, Zerowater, PUR.
Waterdrop Replacement Faucet water filter for Brita, PUR, Culligan.

All Waterdrop Pitcher and Dispenser filters are NSF 42 certified for the reduction of chlorine, taste and odor. It is also NSF 372 certified for lead-free material. Using 7-stage water filter technology, this water filter pitcher can effectively reduce arsenic, fluoride, lead, and other contaminants in water.

Step 1. Wash your hands, then remove filter from filter box.

Step 2. Please soak it in cold tap water for 10 minutes to remove bubbles before use to activate the filter and ensure the best filtration performance.

Step 3. Please hand wash the pitcher, dispenser, lid and reservoir with a mild detergent. Don’t put it in the dishwasher. Do not use abrasive cleaners rinse thoroughly with water.

Step 4. Install filter into reservoir. Press firmly to ensure a tight seal.

Step 5. Fill the reservoir with cold tap water. Discard the first two times filtered water.

Step 6. Press the button for 3 seconds until the blue light flashes to activate the indicator. Note: Repeat this step after each new filter replacement.

Waterdrop pitcher filters usually take 10-15 mins to filter the reservoir of water in your pitcher. One common cause of slow filtering is high levels of sediment in tap water, such as sand or rust could clog a filter. If your water contains high levels of sediment, consider installing an Undersink filtering system or Whole House product.

Press the button for 3 seconds until the blue light flashes.
Remember: Blue light indicates that your filter is good, red light will blink when your filter should be replaced, and red-light constant on indicating the filter should be replaced immediately.If you have any problems with the product, please feel free to contact us

One possible cause for an apparent leak may be overfilling. Water may overflow into or over the handle when you pour resulting in what appears to be a reservoir leak.

If the reason for the leakage appears to be due to the faulty product or damage, please contact our Support, so that we can address the issue accordingly. We offer a 30-days guarantee in case the product gets damaged.

If your faucet system hasn’t been used for several days, wet and reactivate the system’s filter by running water through the filter for 30 seconds.

Waterdrop undersink series includes ultra-filtration system, dual carbon filter system to satisfy your high standard of life. Undersink water filter of three different plans, meeting different demands for your home and kitchen. Spin down sediment water filter pre-filters large contaminants, reducing the workload of your home appliances.

No. Both undersink ultra-filtration system and the dual carbon system does not require an undersink electricity supply, which means you do not have to worry about your power supply under the kitchen cabinet. The only thing you need is three 4.5V AA batteries. Therefore, you can drink clean and safe purified water even in emergencies like a power blackout.

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.

Due to different types of our undersink products, the installation methods could also be different. Usually the needed accessories come with the product, you only need to read our buyer’s guide or watch the installation video on the product page. Most of our products are easy to install, some may only take a few minutes, if you still feel confused about the installation methods, please contact our service team, we are eager to help.

Waterdrop replacement fridge water filters cover most brands and model numbers in the market. You can search your model number in our website or contact our service team to check.

Usually the fridge water filter could be installed by a simple twist. You can read the user’s guide, watch the installation video on our product page, or just contact our service team for help.

The biggest difference between two versions is the certification level. The light blue version is NSF 53, 42, 372 certified while the dark blue version is NSF 401, 53, 42, 372 certified with its, which provides safer and cleaner water for drinking.

Step 1.Choose the product you want to know about, and you can see the button in the right bottom corner of the main picture, and click it.
Step2. You can read the detail of the product user manual *Kindly note, PC view only.