Keep your water clean for years.
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Share your thoughts
Trustworthy and tough, awesome filter!
- Familiarity: I've put it through the wringer
I bought this filter 7 or 8 years ago and the fact that MSR still makes them is reason enough to understand how great they are. I've had mine over about 40 peaks and across the country. I've only had to replace the filter once, because it got broken in my luggage on my way to mexico (note to self: don't use in Mexican water with a cracked filter...) but this filter isn't the smallest, lightest or fastest, but it's crazy trustworthy and produces great water from practically any source. I love this filter and would highly recommend it to any one. the picture shows the size of the carry sack.
- Gender: Male
- Familiarity: I've put it through the wringer
it is a nice filter and does do a great job. But it takes about 10 minutes to fill up a algene....quicker just to boil water. I reccommend looking into a different msr filter like the hyper flow
- Familiarity: I've put it through the wringer
I used this filter guiding quite a bit, and liked it so much i got one for myself. My favorite thing about this filter is that it connects directly to your favorite widemouth bottle- my favorite being an MSR Drom. It isnt the fastest thing out there, but when it comes to pump filters, it is far from the slowest. The advertised rate of 1 Liter per minute might require pumping at super speed, but it doesn't take too terribly long to get the few liters to fill the bag. It is quite easy to disassemble for cleaning or to replace the filter(you've got to pump a lot of water before the filters need changed- I've never reached that point). An awesome little filter to get the job done.
Getting some water from potholes
Resting and hydrating after a hot hike through Horse Canyon in Canyonlands
Best filter I've owned!
- Familiarity: I've put it through the wringer
This is a wonderful device. I've pulled from murky standing water puddles when desperate in the back country and this thing still got the job done. Its easy to use and easy to clean. I recommend this product to everyone. It is a bit bulky and heavy but its tough as hell!
So glad I bought this filter. So easy to use and to clean. water comes out tasting great!
filter with confidence
I can't be thankful enough for this little filter.
It won't purify the water, but for the majority of the US, you're not going to need it.
It's quite durable, and easy to clean out in the field.
I recently took it down to Canyonlands and had to filter out from nasty pot holes, and it worked pretty well. After every other liter of water filter we found ourselves having to wipe the filter clean of the sand and sediment that it sucked up.
It's been a great filter for us so far, and with simple construction, minor problems are solved in seconds.
-dirt getting around the gromet that sucks the water up(solved by removing the handle and wiping the gromet off)
-poor suction even with a cleaned filter(solved by unscrewing the top half of the filter, and plugging the small hole where water comes out with a finger to create suction)
I love this filter! So reliable and easy to deal with.
5 years strong!
- Gender: Male
- Familiarity: I've put it through the wringer
I've been using the same MiniWorx for five years and it has taken an unbelievable beating. Dropped off a cliff taken down stream, fallen off the back of a moving car. I have really not been kind to it. BUT If you were to ask me how it's working I'd tell you as amazingly as it did the day I bought it. You might freak when you see the price of the replacement filters but so long as you clean and dry your ceramic filter after each trip its RARE that you have to replace it.
would this be good for unsafe drinking...
would this be good for unsafe drinking water in Nigeria?
The only problem is that this (and nearly all) filters are not effective against waterborne viruses, which may be of concern in untreated water in undeveloped countries. It would be a great first step, but you are probably well-advised to treat the water for viruses as well, after its been through the MiniWorks. A UV treatment or some sodium chloride drops/tablets would get you really in the clear.
This FILTER filters out many things including bacteria. But if you have things like virus in your water source, you would be better off buying a water PURIFIER which can be found sold alongside many FILTERS. They are somewhat more expensive but if you are in an area where the water in your environment is so contaminated; I would go for a PURIFIER instead of a mere FILTER.
http://www.rei.com/learn/expert-advice/water-treatment-backcountry.html This article will be very helpful in understanding the difference between filters and purifiers.
How do you order new ceramic filters for...
How do you order new ceramic filters for this item? can you use the one for the other filter's?
We sell the ceramic filters, item #CAS0484.
THE Backpacking Filter
- Gender: Male
- Familiarity: I've used it several times
Can't really say what hasn't already been said by other reviewers. This is a spectacular filter. Works well, all the time.
If you are hoping to filter out virons, look elsewhere (UV). Otherwise, this is what you have been searching for.
The thing is great if your pumping clean water it filters wicked fast and even if it isnt that clean it gets the job done clean the filter is easy. best feature screws on too any nalgene thread type
Debating between this and an MSR AutoFlow...
Debating between this and an MSR AutoFlow (which sounds like it's 2.2oz lighter, will be more friendly to the group, and faster but potentially less versatile and more of a pain in the ass to maintain) for an upcoming 9 day AT trip. Any other advantages/disadvantages I'm missing?
Big question I have w/ the MiniWorks is connections to my water storage. I'm planning to take a 2L Osprey HydroForm bladder and a couple of 1L Platypus soft bottles for electrolyte drink and temporary water storage and transport at camp. Does the included interface screw onto an Osprey bladder? I believe it's made by Nalgene. If not, can anyone recommend bladder tubing that will definitely fit the nipple on the clean side cap?
The AutoFlow is more of a camp type of filter system than one for the trail (see some of the photos of it in use below). That's not to say that it wouldn't work (especially if you're filtering for the whole group at once as you travel), just that the MiniWorks is more suited to just getting to pumping water on the fly. The Autoflow needs to hang or be held up...dependent on gravity, not mechanics.
Either of the MSR filters use 3/8" tubing. So does the Hydroform. A couple of sets of quick connect fittings strategically placed in the
lines should give you full compatibility with any of the systems you mentioned. hope this helped.
Very helpful Phil! I'm progressively leaning towards the MiniWorks for the durability and flexibility, speed/multi-tasking be damned.
Should these 2 bits let me mount a small section of tubing w/ the male bit of the quick connect kit semi-permanently to the nipple so I can still fill stuff w/ the right threading and use the other section of the tubing w/ the female end of the quick connect for filling narrow mouth bottles/other bladders/etc?
I got the MSR replacement hose. This fits on the clean end nipple and you can use it to fill the platypus bottles. The Hydraform's cap is too big for the filter, but the hose works just fine. I have had this filter for years with no issues.
Light and compact and at 1l per minute does the job very efficiently.
For the desert
Every time I'm going to the desert I take it. and every time it help me to cary less water and go longer disstance. more then one it save my life!
It can filter not onely clean water!!!
Slow, reliable, built like a tank
Ill preface this review with my cut and paste statement that I work as a backcountry backpacking guide in Yosemite National Park. Nearly all of the products I take the time to review have seen at least a half a season, if not more, of use... and Im committed to not bothering to write a review until I feel like Ive really gotten to know a product. I never thought Id bother to write reviews, but Ive recently decided that since Ive spent so much time over these last many years reading reviews, and finding a tremendous amount of value in articulate and well-informed opinions, that I wanted to give back to the community. So, with that being said, here we go...
Since we do some filtering of water in the park we split time between two filters - the MSR Miniworks (which is what I personally own) and the Katadyn Vario. Both are great filters, each with its own strengths and weaknesses. Each time I wind up filtering water I find myself cursing each filter in one breath, and then praising it the next... for nearly opposing reasons.
Let me dispense with this now. MSR = built to withstand the apocalypse. All of their stuff is absolutely bombproof. I own many of their items, and all of them withstand use and abuse. The MSR Miniworks is no exception to this rule, and having clean water is not something to take lightly.
The MSR uses a ceramic filter that will last years and years if taken care of properly. There a few downsides to the filter though. Replacements are expensive, though not relatively so, since a single ceramic filter can potentially last you several years or more. Also, they are fragile. Do not go to sleep with a little water in this filter if it is going to get below freezing at night. The freezing water will swell into ice and crack the filter. Sleep with this filter if you're going to see freezing temperatures.
The filter is field maintainable/cleanable. Pull the ceramic element out, and *very lightly* brush it with a small piece of Scotch Brite, or something similar that has a bit of abrasion to it. Do not scrub the hell out of the filter. It'll reduce its life significantly, and won't get it any cleaner than a light cleaning. The goal is to remove the funk covering its porous surface, not to sandblast it.
The goal, when filtering water with the Miniworks, is to keep the intake tube off the floor of the lake or stream. Try to keep as much sediment and debris out of the intake element as possible. That stuff will clog up the ceramic filter quite quickly, necessitating another time-consuming session with the Scotch Brite. If you can keep cleanish water entering the intake tube the ceramic filter will provide several days worth of clean water without needing any cleaning.
I have seen this filter throw us some curveballs in the field... namely, I've seen the older models (these models use green plastic instead of red for the outer casing) get the small floating ball that creates a one-way valve at the top of the filter out of whack. We've had to disassemble the filter, flush it out, and boil the ceramic element, etc. Within 30 minutes its as good as new. I have yet to see one of the newer, red models have this particular issue.
The downside to the Miniworks is that its a single action pump. Its a slow filter compared to many on the market, for example the Katadyn Vario, with which I am also quite familiar. The trade off seems to be reliability and field maintenance. The Katadyn is FAST. I'm always cursing the Miniworks for being slow. Then I use the Katadyn and I'm cursing it for coming apart.
Once you're home, take the filter out and let it dry, and take the time to clean the filter body. 30 minutes of maintenance will keep this filter and element lasting a long, long time. With proper care this filter is, dollar for dollar, the most affordable and reliable filter around.
If you would rather have a slow, reliable, field-maintainable filter then the MSR Miniworks is for you.
MSR® Miniworks® EX Microfilter Overview
Rugged, durable, easy-to-maintain microfilter. Great for everything from day hikes to extended trips.
I like the ceramic filter, simple to clean and tastes good. It's a tad bulky and heavy compared to some brands and it is not the fastest draw in the west. It does seem to speed up though by the second or third bottle. I have read some horror stories about the filter breaking, but to issues here for 5 years. Even if you don't use wide mouth Nalgene bottles you can use this filter. I got an extra hose and I just attach it to the nipple on the output and fill my Platypus or my Hydraform reservoir.
All in all this is a good, long lasting water filter.
Nice, simple, works
Exactly what I was looking for in a filter, Simple, light and works. Floater and filter are nice, it is easy to maintain, mounts on my nalgene with no problems. highly suggest
it works and does so without too much fuss.money well spent