water-filter-straw-top (4474114736210)

Water Filter Straw for Camping, Hiking, Travel, Survival and Emergency Preparedness by Waterdrop

Regular price $13.99
Sale price $13.99 Regular price
Blue 1 PACK-$13.99
Blue 2 PACKS-$24.99 ($12.49 each)
Blue 3 PACKS-$36.99 ($12.33 each)
Green 3 PACKS-$36.99 ($12.33 each)
Orange 3 PACKS-$36.99 ($12.33 each)
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  • Key Feature
    • [Superior Performance] Waterdrop water filter straw adopts a 0.1-micron hollow fiber membrane, could effectively reduce most of the harmful substances in water.
    • [Premium Materials] The use of high-grade coconut shell activated carbon fiber improves odor and taste, ensures the safety of water, and delivers a good drinking experience. Drink from rivers, streams, ponds, lakes, and glaciers without worry.
    • [Versatile Uses] The double-sided removable cap is designed for different uses. One Waterdrop water filter straw can achieve multiple water filtration functions. Use with water bags or connect to water bottles to filter water for drinking.
    • [Outdoor Water Needs] Fulfill all your outdoor water demands: hiking, camping, domestic and international travel, emergency preparedness (tornadoes, rainstorms, earthquakes, floods, etc.) to meet the emergency water demand in a variety of situations.
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Shipping policy

Shipping rates and delivery estimates

Shipping Method

Estimated Delivery Time


Economy Shipping

4-10 Business Days


Standard Shipping

3-6 Business Days

$5.99(Free on order over $200)

Express Shipping

2-5 Business Days


* 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 of states in United States except American Samoa, Micronesia, Guam, Marshall Islands, Northern Mariana Islands, Palau, Puerto Rico and U.S. Virgin Islands.

International shipping

We are sorry that the international shipping service is not supported for the time being.

Shipping Carriers

We work with 4 carriers to make sure your order will arrive on time: UPS, USPS, FedEx and Amazon Logistics US.

Delivery Time Exceeded

Shipping might experience delay due to covid-19. If your order is delayed, please contact us via email service@waterdropfilter.com, we will check the situation with the transportation company in time. Thanks for your understanding and support.

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

Shipping origin

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

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

Sales Tax

The sales tax will be collected in accordance with U.S. tax laws. Customers whose delivery address within the following states will be charged a certain tax at checkout, and the tax rate is determined by the local government. (AZ, CA, CO, FL, GA, IL, IN, KY, MA, MD, MI, MN, NC, NJ, NV, NY, OH, PA, TX, UT, VA, WA, WI) All taxes collected will be reported and filed to the IRS on time.

30-Day Return ×
No Worries Guarantee

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.


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.

Return Policy

We accept return reasons including defective, no longer needed, change mind, not as described, etc.

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. We will cover the return postage for return requests regarding quality issue.

Once you received a damaged / incorrect item and you want to file a claim, please email


together with your order information and the picture of the damaged / incorrect product. We are eager to help.

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

Step 1: contact the customer service team before return a product, we will reply you with return tips within 24 hours.

How to contact:

Email: service@waterdropfilter.com

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

Step 2: prepare package after you get confirmation from customer service team, please be noted the following requirements:

• The order number needs to be included in the package. You can print out the order detail page or leave a note in the package.

• 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.

Step 3: Please contact our customer service and send your return tracking number. We will track the package, and refund your money within 5 working days after we receive and check the package .

Return Window

We offer a 30-day return guarantee. Warranty will begin from the date the product is received. If a product grows defective during the warranty period due to a quality issue rather than your own breakage or misuse, we can accept a return, provide free repair service, or issue a new replacement.

Return address:

Ecolife Technologies, Inc.

17910 Ajax Circle

City of Industry, CA 91748

United States

Tel: 888-352-3558

Refund Policy

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.)

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Φ1.38 inches*7.09 inches
Filtration capacity: 
10,000 gallons(Laboratory theoretical value). For your health, we recommend that you replace it annually or every 1400 gallons.
Filter media: 
Ultrafiltration membrane
Activated carbon fiber
Pre-filter fabric
Pre-filter fabric
  • Reduces contaminants from the wild, such as stones, leaves, etc.
Hollow fiber membrane
  • Intercepts 99.99% of bacteria.
Activated carbon fiber
  • Improves the smell and taste of water sources.
Post polyester membrane
  • Reduces rust, sediment, particulates, and other impurities.
Smaller pore diameter
  • The smallest bacteria known in the biological world has an average length of 2 microns and a width of 0.5 microns. The filter straw adopts a 0.1-micron hollow fiber membrane to remove most of the common bacteria and protozoans in water.
Smaller pore diameter
Multiple ways to use
Multiple ways to use
  • A filter straw can accomplish all of the functions of other personal water filters because of the variety of ways it can be used. It can be used with water bags or connected to water bottles to filter water for drinking. Both ends can be disassembled and connected to water bags or water bottles, offering you clean drinking water anywhere you want.
Easy to clean
  • No need for additional tools. Flush the filter straw with clean water through either a water bag or a compatible water bottle.
Multiple ways to use
Meets various outdoor water needs
Meets various outdoor water needs
  • Suitable for outdoor entertainment, hiking, camping, domestic and international travel, and emergency preparedness (tornadoes, rainstorms, earthquakes, floods, etc.); meets emergency water needs in various situations.
Compact design for convenient use
  • The filter straw’s compact design makes it easier to carry, and it can provide up to 1,400 gallons of safe drinking water. It is easy to drink water with a filter straw and to quench your thirst instantly.
Compact design for convenient use
How much water could the filter straw purify?
The filter straw can provide safe drinking water up to 10,000 gallons (Laboratory theoretical value). For your health, we recommend that you replace it annually or every 1,400 gallons.
What are the dimensions of the bare filter?
The length of the filer is 180 mm and the diameter is 35 mm.
What contaminants does the water filter straw remove?
Waterdrop filter straw adopts a 0.1-micron hollow fiber membrane, which could effectively remove most of the harmful substances in water, from large particles to extremely tiny particles effectively to ensure the safety of the water.
Which kind of bottle can be matched with the Waterdrop water filter straw?
The filter straw is matched with a pop bottle with a thread diameter of 27.5 mm in design, and therefore it can only be matched with a mineral water bottle with a thread diameter of 27.5 mm to avoid any leakage.
Can I connect the filter with a hose?
The filter straw can be matched with a hose with a thread diameter of 27.7 mm.
Does this come with water bags?
Yes, the filter straw comes with one white water bag for filtered water.
Does this comes with a gravity water bag for raw water?
No, this set only includes a white water pouch for filtered water, if you also need a gravity water bag, please check WD-FSBUL or WD-GWB
Can I use this filter straw to filter saline water?
No, the filter straw can be used to filter freshwater rather than saline water.
Can I use the portable water filter for camping?
Yes, sure. The filter is designed for outdoor use like hiking, camping, domestic and international travel, emergency preparedness.
Can I use the water filter straw for survival?
Yes. It can meet your water demand in various situations like tornadoes, rainstorms, earthquakes, floods, etc.
I have used the personal water filter straw only once and it no longer works, why?
If the straw is not cleaned up after use, the filter element will be blocked. It should be repeatedly backwashed to remove impurities on the surface of the ultrafiltration membrane.
Why is there a peculiar smell in the second use of my portable water filter straw?
After use, dirty residues are left in the filter element. Please backwash the filter straw to remove dirty impurities on the surface of the filtration membrane. Each time before using, it should be backwashed to avoid a peculiar smell.