Waterdrop Gravity Water Filter Straw, Camping Water Filtration System, Water Purifier Survival for
From the brand
Filter Better Live Healthier
Filter Better Live Healthier
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5-Stage Efficient Filtration: With adoption of premium-quality coconut shell activated carbon, 0.1 um ultrafiltration membrane and other raw materials, the Water Filter Straw can effectively reduce harmful substances like chlorine, particulates, sediment, stones, sand, dirt, bad taste &odor in water to ensure the water safety and deliver better drinking experience.
Professional Combination: Waterdrop Gravity Water Filter Straw with 1.5 gal Gravity-Fed Water Bag is an exclusive water purification combination created for outdoor activities and first aid survival. The large-capacity water bag can hold up to 1.5 Gallons of water at a time, which is about 11 bottles of 500 ml bottled purified water, and can meet the all-day demand for outdoor water drinking.
Longer Lifespan: The Waterdrop Filter straw can provide safe drinking water up to 1,400 gallons (5,300 liters), and ensures the maximum water flow rate of up to 700 ml/min to provide more relaxed outdoor water drinking experience.
Recyclable Straw: With innovative backwash purifier function, the inside of the Water Filter Straw can be kept clean at all times and it is recyclable, safe and pollution-free. If the water flow decreases or the filter has been used for a long time, you can remove the mouthpiece, flush it with clean water. (Standard water bag can be used or pop bottle with thread diameter of 27.5mm can be filled clean water for backwashing the filter straw.)
Versatile Uses: The Water Filter Straw can be connected with water bags or water bottles to filter water for drinking. Both ends of it can be disassembled and connected with the water bags and the water bottles to offer you clean drinking water anytime anywhere.
Warm Prompt: If the gravity bag is used to filter water, turn on the drainage valve first to empty air from the hose before connecting with the straw to avoid no water flow in a vacuum state.
Multi-scene Application: As a necessity for outdoor water purification, the Waterdrop Gravity Water Filter Straw is applicable to hiking, camping, domestic and international travel, emergency preparedness (tornadoes, rainstorms, earthquakes, floods, etc.) to meet the emergency water demand in a variety of situations.
Original price was: $ 42,99.$ 29,99Current price is: $ 29,99.
Price: $42.99 - $29.99
(as of Nov 07, 2025 03:24:05 UTC – Details)
From the brand
Filter Better Live Healthier
…
Customers say
Customers find the water filter effective, working well for about 2 gallons of water and producing clean, crisp water. They appreciate its ease of use, lightweight design, and good value for money, with one customer noting it’s easy to fill in one second. The filter speed receives mixed feedback – while some say it filters quickly with gravity flow, others find it extremely slow. Customers like the taste, noting it has no discernible taste or odor, and consider it a good investment.
Specification: Waterdrop Gravity Water Filter Straw, Camping Water Filtration System, Water Purifier Survival for
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10 reviews for Waterdrop Gravity Water Filter Straw, Camping Water Filtration System, Water Purifier Survival for
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Original price was: $ 42,99.$ 29,99Current price is: $ 29,99.
Dadicus –
An efficient, lightweight, and fast water filtration system.
This is a great water filtration system for camping. For those who are used to pumping to get clean water, this will be a pleasant revelation. For those who have used other gravity feed systems this will be an inexpensive and surprisingly quick alternative. I recently used this on a 4 day backpacking trip and love it. Here are a few highlights:1. The feed back is lightweight, flexible, and fills to 1.5 gallons in one scoop of lake water. (BTW, don’t fill it all the way to 1.5 gallons–it’ll work better at about 1.25 gallons.) My friend is going to purchase the bag simply because it’s so much easier and more efficient than the bag his (very expensive) system came with.2. The filter has a bigger barrel than my Sawyer, and thus flows at about twice the speed.3. The filter can be back flushed with the provided collapsible bottle–no need to bring along a syringe for back flushing.4. The hanging system (also provided) is high quality and works great.Here’s what I don’t know:1. My friend and I suffered no symptoms of waterborne illness, but the flow rate was so strong when we first started using the system that I was worried that it might not be filtering. What can I say? I guess I’m suspicious because it worked so well! The flow rate did decrease on the 4th day (after filtering about 11 gallons of water). But even the reduced rate was similar to my Sawyer filter.2. The instructions didn’t say anything about back flushing. I went ahead and back flushed when I got home, since every other filter I’ve used makes some provision for cleaning/flushing. I don’t think it damaged it, but don’t know for sure. I’d love someone from the company to respond to that question.
Daniel –
Awesome, it works, and gives you a lot of options
This filter is awesome, used it on a three day backpacking trip recently. No issues whatsoever. For everyone’s information however, the reservoir bag does not seal fully when filled. The top, although it folds nicely into a handle for carrying – which is amazing and super convenient – it does not prevent water from coming out the top if you, let’s say, put the bag down on the ground to get the straps adjusted or something. So the reservoir is not for carrying water for long distances, unless you’re prepared to always keep it upright and never put it down until you can hang it. Still super doable if you’re going short distances, it doesn’t spill when you’re holding it by the handle, just if you put it down on the ground while filled and it falls over.Other than that, this kit is awesome. Gives you the option of reversing the steps, instead of filtering the water into the small plastic water bottle pouch, you fill the plastic bag with the unfiltered water, screw the filter straw onto the pouch, and drink it directly out of the filter (basically a life straw). I think the bag might be half a liter that it comes with, so if you want a bigger pouch then you’ll have to order one. This is the way I’ve seen most through hikers using it, usually with the sawyer filter setup. But this filter gives you both options, filter the clean water from the reservoir into the plastic flexi pouch or any other bottles you want, or collect the unfiltered water into the flexi pouch, attach the filter directly to the pouch, and drink through the filter.Super lightweight, condenses into a really small volume, durable (I carried water in the reservoir for more than 5 miles, by hand, leaning it against a tree when I had to put it down, and the material held up). We used it for three days and that was more than two weeks ago, long enough for any water born sicknesses to have shown if it didn’t work. Great purchase.
Springlering –
Travel WIN!!!!
Came home from Uzbekistan with the worst case of what my grandma used to call the “gogo-amago” ever. Figured it either came from carelessly rinsing iur toothbrush in tap water, or eating a fresh fruit washed in tap water.Made an advance plan for our next trip to a third world country. No salads. No fruit unless we washed it ourselves. No smoothies unless they used bottled water. Don’t use room water provided unless we saw them filter it ourselves. Have a plan in place to provide so we won’t dehydrate and for tooth brush.This little gizmo is AMAZING. It is lightweight, super easy to pack, easy to use once you get the hang of it, cheap to use, and saves tons of plastic.My only fear is, the straw part is very sturdy, and so far the bag part is, too, but it seems much more likely to wear out, crack, or get punctured (even though it’s a thick plastic) than the straw. I wish they’d include and extra bag or two, as well as instructions to clean and store straw and bag.Well worth what seems to be an initial “investment”. Other travelers were jealous, and asked for details.Will be packing it for our next trip, to rural Morocco. Wouldn’t dream of traveling without it now. Has earned a spot in our minimal packing.Os: bought extra straws, but it seems like these things last forever. Hope we’ll get to travel enough to use the extras!
Ed –
Great filter but may have issues in cloudy/muddy water
Great filter purchased for extended wilderness camping trip that functioned as needed. Only reason for not getting 5 stars was how quickly the filter on it seemed to silt up and slow down. The creek where we filled up with was a clear high mountain stream and we were careful not to muddy the water as we filled the bag so it’s not like there was a heavy amount of silt needing to be filtered out. I’m sure if we were using it in a muddier faster moving river like the Colorado or something the filter would have been even harder to use. In the long run, my family of four got all our drinking water for the majority of our trip through this filter and no one got sick which is the main thing. The fact that it got slow and harder to use I was a slight in convenience but, in the long run and acceptable issue given its functionality.
M. Hills –
works great, easy to use
I’ll give it 5 stars cuz it works real gud but the hose clamp system is a bit ghetto and it leaks just a tad with the water pressure coming thru. needs some 2025 technology
lewis williams –
Good bit of kit for camping cheap aswell, used 4 times water has never had any off taste and I have never had any effects I’ve even used it in small puddles of water completely safe 👍
Jordana Williamson –
Great product. Easy to assemble, and use. It was easy to fill, and do up. No weird taste whatsoever. I love the little bottle it comes with too. I would definitely recommend this product to anyone looking for a gravity water filter. I’ve been very impressed.
Joffrey –
I only received the big blue bag and hose no filter and small bottle is delivered, very poor delivery…
Anton –
Micro zwaartekracht filter of zo uit de fles.Filtert 0.1 um dus water uit de natuur wordt goed gefilterd, water met chloor zoals in Engeland uit de kraan behoeft ook een koolstof filter welke ikzelf er nog tussen ga plaatsen.
Hector –
Muy buen producto, todos deberíamos tener este equipo como emergencia y para el campo