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Your cart is empty.With the Katadyn Gravity BeFree 3L Water Filtration System, you no longer have to worry about where your next drink will come from. Just fill up the flask and let the gravity do the work through the EZ-Clean Membrane. Maintain the EZ-Clean Membrane quickly and easily for longer life and more enjoyment. Simply fill the flask with water, attach the cover and shake free the debris. Or, remove the filter from the flask and swish in any lake, river or stream. And when you’re ready to hit the road, the collapsible flask packs small to fit into tight spaces. Just smash, stash and go!.Hydrapak Soft Flask is longer lasting, rugged, high-tech, flexible, BPA-freeNo backflushing and no clumsy tools. Simple shake or swish the EZ-Clean Membrane in the water and be on your way0.1 micron hollow fiber technologyFor solo or group useSuitable for cloudy waterLightweight and portableFlow Rate: 2 liter per minuteTested to 1000 L, depending on water qualityWt. 6.8 oz (192g)Size: 17.6 x 9.0 in.
O. Sechrist
2025-07-18 15:17:49
I thru-hiked the AT in 2021 and used three different water filtration systems on my hike. I used the BeFree for about half the hike.All three systems used the same filtration material; however, the BeFree is very different from the small cannister type systems that attach to a bottle or pouch.The flow rate on the BeFree using gravity was fast. Perhaps not quite as fast as squeezing water through a fresh cannister type, but fast enough to make the advantage of doing gravity feed a huge plus.The accessibility of the filter fibers makes consistent cleaning of the filter extremely fast and easy, and prolonged the flow rate of the filter substantially over the more sealed filter systems (even when I backflushed them on each use).The bag on the BeFree system is nice too. The bag's material flexibility and wide mouth allow for creative options to collect scarce water in drought conditions (it will also wedge onto a 1.5 inch PVC pipe with enough friction to remain their even under slight water pressure).
M D
2025-07-13 10:58:07
Bought this to use on a trip to the Boundary Waters. Was easily capable of providing enough water for all 4 of us. The flow rate was surprisingly fast. Filtered 3 liters of lake water in 3-5 minutes. After about 12 liters flow began to slow down, but a quick "swish" cleaning session returned filter to its original flow rate. Packs down fairly small, lightweight. The included strap for hanging is functional, albeit a little bulky. Only true complaint would be the fill method. Rather than the rear portion of the bag opening and allowing for scooping, it is only through the cap/filter end that the bag is filled. There is a nice loop attached to the bag that allows for pulling the bag through the water, but it still requires several scoops to get the bag full when drawing from a shallow water source. All of that could be avoided by making the other end an opening rather than sealed. Another nice touch is the quick connect cap, so that a hydration port tube can be attached allowing for drinking directly from the filter bag. Overall I am very happy with the system.
Dwayne
2025-05-30 14:04:25
Easy to use! Met my needs. Used at a yurt that had lots of non-potable water. Gravity flow made it very easy to use.
Kindle Customer
2025-05-07 14:41:07
This worked so well for my 3 day backpack trip. Easy to fill the bladder and the filter is quick.Highly recommend
Paul Tchaikovski
2025-05-06 17:39:41
Obviously this is an amazing water filter. That’s been proven many times over by many people, is you’re looking for anything, just buy this, if you don’t need to filter viruses it’ll be great. The 3l bag is a huge help for collecting water at camp while backpacking. One issue I’ve ran into is the water tasting like nasty plastic after sitting for more than 30 minutes. So you need to clean it out with whatever method you use prior to holding water in it. And i never got those hose with my kit. But besides that I’ve used it on a dozen trips so far and the speed of filtering and ease of cleaning is awesome.
Anita
2025-04-20 10:52:22
My husband and son used this with their scout troop (crew of 9), and it performed as advertised. Little bit of a metallic taste in the water pictured, but he wasn’t sure any filter was going to take that out (that was his only clear water bottle). They were able to filter well water and turbid stream water without a problem. The filter did slow after a few uses, but it still managed to empty the bag in less than 3 minutes. Over a month later and everyone is healthy. Worth it.
Marky Mark
2025-02-15 15:02:25
Outdoorboys approved
Randy S.
2025-01-27 16:56:04
This is an amazing filter. I love to fill it up before sun down to have plenty of water to anything I might need at camp. The one thing I would change is the mouth size. Its kind of hard to fill up from standing water without the bag collapsing, between that and the smaller mouth size you have to keep dipping and dragging to fill it up, even then it won't be full.
Client d'
2025-01-26 17:56:25
Produit très facile à utiliser et à transporter
Claude Racicot
2025-01-11 12:54:15
easy to use ,insta use ,great debit,easy to clean and good cap of filtration
amin beirami
2024-12-30 15:20:26
The valve is missing in the box, the hose and straps too. How am I supposed to use it without them. I’m returning it!
Cheese on Everything
2024-11-25 14:51:46
Only small gripe I have with this is the nozzle system. I bought a proper nozzle with a turn style valve to put at the end of the hose but other than that great flow rate
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