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Zombies, aliens, natural disasters, supernova ... whatever ends the world as we know it, you sure are prepared with the inexpensive Sawyer Mini Water Filtration System (unless it's a supernova, then we're all doomed). This tiny lifesaver filters up to 100,000 gallons of water until it craps out―that's thirty times more than comparable filters. Until the apocalypse strikes, you take this lightweight and fast filter out backpacking, camping, hiking, traveling, and basically anywhere you might get parched.

Sawyer's filters are certified for Absolute Microns, making it impossible for harmful bacteria, portozoa, or cysts like E. coli, giardia, vibrio cholerae, and salmonella to pass through. It's super-quick and easy to use without the need of pumping or chemicals. Fill up disposable water bottles, an included drinking pouch, and hydration packs with ease. Heck, if you're really thirsty, just take a straw and go to town on some of the freshest water you can find when you're up in the mountains by a beautiful stream.   

  • 0.10 Micron Absolute
  • Exceeds EPA standards
  • Includes drinking pouch
  • Compatible with disposable water bottles, hydration packs, or a straw
  • Reviews
  • Q & A

What do you think about this product?

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Portable, lite, small and useful.

  • Familiarity:I've used it once or twice and have initial impressions

September was a rough outdoors month for me. I had incredible stomach cramps and ... I will leave out the rest. I tested positive for Giardia. 5 weeks of a horrible lifestyle. This is that parasite you can achieve from nasty water. I thought, maybe it is time to upgrade my water purification system.

Now, I am not an ultra-light packer, but I do appreciate the "little things" when it comes to heading out into the back country. So I downgraded in size and complexity and got the Sawyer MINI.

My wife and I put it to the test on a hike, here are my PROs/CONs


-SMALL, lite-weight. (the 16oz bag and filter/straw could be in your pocket and you would hardly notice)

-COLD WEATHER- Leave your gloves on, dip the bag in a water source, connect filter and straw, drink or squeeze... DONE.

-PERFECT FOR- 1 to 2 people when hiking along water, or hitting water source milestones. No need to carry water with you... It is too easy... just dip and squeeze.

-CONNECTION- Fits Platypus, Sawyer, and other hydration bags.

-PRICE- It cost me under 30 bucks. AWESOME.


-KEEP FROM FREEZING... Although not difficult if kept close to your body, you want to keep this from freezing. If you wake up on a freezing morning and you didn't clear the filter, you won't have instant gratification. You will need to thaw with water source or heat.

-HEAVY WATER USE- This is for the back country hikes, trailblazers and simple portable use. I wouldn't recommend it for the in-camp scenario if you are needing to produce gallons upon gallons for thirsty crews.

-TEMP- its only temporary. 100k gallons... now, I don't know anyone that will burn through that before they lose, break, or become unsure of the use level... but who really counts that type of gallon use either. You will probably buy a new one every couple years and not worry about it. They are not expensive.

Pictures show its portable uses. We didn't need to purify snow melt. Did it anyway. I am overly sensitive after the Giardia ordeal.

Thanks! Enjoy it if you got it!

Portable,  lite,  small and useful.

Awesome affordable provider of clean H20

  • Familiarity:I've used it several times

Haven't used the one I purchased but I benefited from the use of this exact filtration system while hiking the Lost Coast. Two of these continually filled all of our 5 hydration packs, water bottles, etc. over the course of three days.
Yes, it takes a bit of time due to the size of the pouch but for the price and portability, it's hard to beat!

Save weight & money

  • Familiarity:I've used it several times

After looking for ways to save some weight while on long day hikes, days on the river fishing, or bikepacking with limited space; all signs kept pointing to this little wonder.

During adventures where water is readily available and there is no need to pack up a heap of water and lug it around, using the Sawyer in straw form is a wonderful on the go option. While filling up for camp/cooking needs, I typically very much enjoy the time relaxing next to a water source and filling up so the added time to squeeze out a couple containers is a non- issue.

Above all else, this convenient little filters weighs a fraction of the other lightest filters as well as costs a fraction of most replacement filters.

I still prefer to use a more traditional filtration device (Hiker Pro) while traveling to the desert where the water is typically very silty and you are tasked with carrying and filling up several containers to get you to the next water supply.

Well worth having this in your bag no matter what the adventure. No matter how many we seem to order, these things never stay in stock, so grab one while you can and enjoy some nice fresh water on your next adventure!

Not an improvement

  • Familiarity:I've used it several times

Firstly Sawyer has made a good filter, if it was this or nothing the choice is obvious go with the Sawyer Mini. I purchased this because it would be small enough to be a good redundancy. (No we're not ultra lighters and we're proud of that) The idea was if I and my wife were for any reason separated in the field one or the other of us would still have means of filtering water. The more I played with it the less I was impressed by it. The original Sawyer water filtration system was not immensely bulky I fail to see the advantages of the mini. The designed in a straw system which is kind of borrowed from the Aquamira Frontier. While the quality in no doubt on par with Sawyer products this does not replace the original. Had it utilized the same fittings, diameters and thread size as the original I'd likely have been more receptive.

Best filtration for 1-2 people

  • Familiarity:I've used it several times

I picked this up a month ago or so, took it out on my latest backpacking trip along with my MSR miniworks. I wanted to try it out before taking it on a PCT hike. By the end of the trip I regretted having my miniworks. The Sawyer Mini filtered so much faster and easier. whether a stream, lake, or a little trickling brook I had 16oz (a full bag) that I could simply sip straight from the bag. It took maybe 20-30 seconds to squeeze it out into my Nalgene. After 3 days I didn't notice any difference in rate of flow but I backflushed once I got home following the instructions.

I also bought a few extra bags, you can get a package of 3 32oz. bags which is perfect for filling up a Nalgene of other 1L bottle quickly. The caps also seemed to stay on well. I filled up at a creek filled with mosquitos, closed up the bag and stuffed it into my pack. I hiked another 10 minutes to escape the bugs and the full bag was still fine in my pack without leaks. It's great!

Squeeze your water, squeeze it!

  • Familiarity:I've used it several times

The Sawyer Mini is cool. It just is, there's no getting around it, look at the specs on this bad boy - it's only TWO OUNCES!!!

My PUR Hiker weighs 14oz and will filter 200 gallons. The Sawyer weighs 2oz and will filter 100,000 gallons. Day-um.

I took off a star for useability and that's just my opinion, the Sawyer Mini functions as advertised. My trusty PUR/Katadyn filter is heavy but it's versatile and it's definitely faster. The Sawyer bag can be a pain to fill, particularly when the water source is less than ideal.

All that said, the next time I'm flush, I'll probably pick up a Sawyer Mini - when weight is key, the Sawyer Mini is king.

Not for me

  • Familiarity:I've used it several times

Including cooking water, I easily use 2.5 gallons of water per day in the trail. This filter, even with regular backflushing was just too slow for me. I wanted to like it, really, especially since its presence dominates on the trail (AT). I have an old PUR Hiker. Yes, it is heavier and the filter doesn't last as long, but I NEVER dread going to get water. I find a comfy spot to sit and just start pumping at a comfortable pace. Every time I'm getting water at a peaceful pond or babbling brook and I kinda have a zen moment bc of the pure water and the peace of the moment. Scooping the water in the and struggling to squeeze it through just isn't my thing. The Sawyer itself is fine for many. I couldn't even bring myself to selling to anybody so I have it to another thru hiker. I give it a one star rating not based on its quality but rather its likeability by me. Oh yes, Sawyer also doesn't have customer service, well at least people that respond to inquiries, that's kind of a big deal to me. As the expression goes, "you get what you pay for."

I agree with you, I too have an old PUR Hiker from the mid-90's and I just can't see trading it for a different system when it works so damned well.

It's definitely a case of personal preference though. The Sawyer works well, just slowly and not as elegantly as the PUR/Katadyn system.

very handy

  • Familiarity:I've used it once or twice and have initial impressions

Pretty rad for backpacking trips. I am a minimalist and hate bringing extra crap with me so this filter is awesome because it is so small. Very simple and easy to use. Has been great so far. Filling the bag is kind of hard when there is not a lot of water or if it's not flowing, like a stream or something. That being said, the straw works great for that sorta thing.

The Best!

  • Familiarity:I've used it once or twice and have initial impressions

I've been using the Squeeze for a while now, and love it how small, durable, easy to use, and lightweight it is. So when I saw this, which is even smaller and lighter, I had to check it out to see if it's as good as its big brother. I've only tried it once so far, but it seems like it'll live up to my expectations. There are some things that I like better about the Squeeze, but others where the Mini has improved on the old design.



- SUUUPER light and small. It's the same weight as the Lifestraw, but almost half the size.

- Versatility. It can be used with the included straw, squeeze pouch, or inline for your hydration system. Also, it can be set up to be gravity fed.


- The pouch is pretty small. I just use the bigger pouch from my Squeeze.

- Only has a 100,00 gal. guarantee. Typing that out makes me realize that that is still pretty freakin' great.

Anyhow, this is an incredible filter. In fact, I liked it so much that I gave it to all of my siblings for Christmas.


initial inspection

  • Familiarity:I've used it once or twice and have initial impressions

I have never been too impressed with pump filters, chemicals, or the new uv options. I just though there should be a cheaper, lighter, more effective way to treat water.

Sawyer makes their products with different ways to effectively use their filters, which is great. With the size, you can hack this into an inline filter without some ridiculous additional weight. I assumed the straw would be tough to drink though but i find it easier then the Britta "in bottle" type filters. The squeeze bottle adds yet another way to effectively use this 3 oz (wet weight) filter.

For the price i am extremely happy with the weight, and effective options with this unit. I am excited to see how this holds up over the 100,000 gallon limit!

edit:/ i recommend getting the larger squeeze bag, it is time consuming filling at a shallow water source with the smaller bag.

can this be hooked up to an MSR dromedary...

can this be hooked up to an MSR dromedary bag w/ the hydration tube?

Best Answer

Yes BUT maybe not in the way you want. The Sawyer Mini has small, tapered ends and can be used as an inline filter but this will require buying additional tubing or cutting your existing tubing.

The threaded bit of the Sawyer Mini is like a bottle CAP and the Sawyer bag has threads like a water bottle. If you're referring to the MSR hydration kit that has a threaded end, that threaded end is also like a bottle CAP - thus the MSR hydration kit and the Sawyer Mini won't screw together.

That sounded less dirty in my head.

I have heard a lot about bag failure. Has...

I have heard a lot about bag failure. Has this problem been fixed? would the sawyer mini be comparable with a Platypus Platy Plus Bottle?

Best Answer

There was a lot of talk about bag failure early on, but it seems like the second generation bags have addressed it... and also people have realized that "squeeze" doesn't mean beat the heck out of it.

Still... I carry an extra bag. There are a bunch of reasons why I think it's a good idea--not the least of which is that the Sawyer bags are a super light spare container which is easy to pack.