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  • MSR MiniWorks EX water filter red/black 2015
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MSR MiniWorks EX water filter red/black 2015

by Msr

RRP: £94.99
Price: £89.99
Sale: £71.99 FREE UK delivery.
You Save: £23.00 (24%)
Usually dispatched within 3 to 4 days.
Dispatched from and sold by Snow+Rock.
7 new from £71.99
  • Gewicht: 456 g

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MSR MiniWorks EX water filter red/black 2015 + Nalgene Wide Mouth Tritan 1.0Litre -
Price For Both: £84.48

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Product details

  • Product Dimensions: 24.1 x 17.8 x 9.5 cm ; 454 g
  • Boxed-product Weight: 721 g
  • Delivery Destinations: Visit the Delivery Destinations Help page to see where this item can be delivered.
    Find out more about our Delivery Rates and Returns Policy
  • Item model number: 56425
  • ASIN: B000BBF2RY
  • Date first available at Amazon.co.uk: 1 Jan. 2006
  • Average Customer Review: 4.0 out of 5 stars  See all reviews (1 customer review)
  • Amazon Bestsellers Rank: 80,913 in Sports & Outdoors (See Top 100 in Sports & Outdoors)
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Product Description

Water preparation

• Type: water filter
• Applications: Filters

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Most Helpful Customer Reviews

By Matthew Small on 28 Jan. 2015
Verified Purchase
Great!! What's the red clip on the bottom for??
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Most Helpful Customer Reviews on Amazon.com (beta)

Amazon.com: 252 reviews
539 of 541 people found the following review helpful
Worth every penny! 9 Nov. 2009
By R. Zamudio - Published on Amazon.com
Verified Purchase
I researched filtration systems for almost a month before settling on the MSR miniworks. I figured I could just go pick one up at the local Cabela's or REI, but BOTH retail stores were sold out of these, while there was still a good supply of the other MSR and Katadyn filter systems on the shelf. I took this as a sign that this is the filter to have and ordered it from Amazon, and it has been worth every penny. Read on....

In Camp:
The filter is very simple to use and has a good output-per-pump ratio. You never really feel like you are doing more work than you should for the amount of water you are pushing through, especially if you take into account the fact that every pump is worth about one gulp of nasty water that you WON'T have to drink. If you do see a diminished output, simply unscrew the filter housing and give the element a light scrubbing. We were taking water from a brown lake that is loaded with tannins and we would get about 2 litres through (about 2 full-size nalgene bottles worth) before we noticed the filter could use a cleaning. Tannin-loaded water is supposedly some of the worst for clogging these ceramic filters, so if you have cleaner water sources at your site than we do, your element-cleaning cycles should be farther apart. The water came out crystal-clear and almost tasteless. It didn't taste like Dasani bottled water, but it definitely didn't taste like tea-colored lake water either. Pretty much neutral. More importantly, it tasted CLEAN and nobody got sick. Also, the MSR Miniworks requires no chemical additives but still claims to filter everything but viruses. The chance of contracting a waterborne virus from a U.S. lake or stream (think Polio, Hep-A, SARS, and a few others which you have probably had vaccinations for) is far lower than getting sick from bacteria or parasites. If this still bothers you, you can still boil your clear, clean-tasting water just to be sure.

Out of Camp:
The maintenance on this filter is very simple. The unit breaks down into 4 major parts, and the wrist pins on the pump assembly are quick-release squeeze-and-push types. You can literally have this thing stripped down and cleaned completely in about 5 minutes, and that includes the sterilization of the filter element. A couple dabs of silicone grease or chap stick is all you need to lube it up when you are reassembling the unit.

The Hidden Bonus:
$80 may seem like a lot for a water filter, but the MSR miniworks pays you back exponentially...
Prior to buying a filtration system, everyone in our backpacking party hauled their own water needed for the entire trip. We would calculate what we needed for hydration and cooking each day, plus a bit more just in case, and we strictly stuck to these rations. We would have enough water, but never enough to truly quench one's thirst. Having this filter in our party allowed us to drop about 15 lbs carried, per person! Plus, we didn't have to pack out a bunch of empty water bottles anymore. One filter supports 4 of us and we now drink as much as we want. When you think about how important hydration is to your body's systems (Read Cody Lundin's "98.6 Degrees" book and you will know more about the subject than you ever wanted to), shelling out $80 to have clean, safe water on-demand anywhere you can find a water source is a small price to pay.

Tips:
-Put a coffee filter over the hose inlet and secure it with a twist-tie, rubber band, or fishing line. This will make your MSR filter pump more efficiently for longer without as-frequent element cleaning. Everytime you clean the element, you are scrubbing away some of the element's overall diameter. When it gets too thin, you have to get a new element. Fewer cleaning cycles = prolonged filter life and more money remains in your pocket. Filter element, $40. Coffee filter, 3 to 4 cents.

-Bring a spare filter element if you are going on an extended trip or are going to be absolutely dependent on this filter for your drinking water while you are out! Meaning: hiking back to your vehicle and driving like a madman to the nearest 7-11 for a drink before you go into a coma from dehydration is not going to be an option! The word is, these ceramic elements are fragile. Finding this out at the wrong time and being caught without a spare would be a very bad thing. If you spent the cash for the filter and other people in your party use it, have them pony up the $40 and buy the spare element for you. It's only fair.... right?

-USE A NALGENE BOTTLE WITH THIS UNIT (or other similar one that will attach to the adapter). The motion created while you are pumping is far too violent for precision-aiming the output stream into any loose container, except for a bucket. You can also attach another length of rubber hose to the outlet and run that to your container, but we have not tried this yet. The Nalgene bottle seemed like the simple solution to use with the filter and we filled our other containters from this bottle.

{Product use update} - Our party of 3 did a 4-day backcountry hike in the Grand Canyon (search: Tanner Trail) this past winter. This is definitely NOT a tourist trail, and the first 2000-3000 ft of elevation is not much a trail at all. The noted only water source along this entire route is at the very bottom of the canyon, the Colorado River. We were able to augment our hike-in water supply by searching for pools of water trapped in depressions of the rocks near the places where we made camp, and pumping water from them using the MSR Miniworks. I don't even want to think of what was in those water pools, but what came through the filter was clean and refreshing. We made notes of the larger water pools, which allowed us to lighten our water load on the hike-out and stop by the pools for a top-off when we needed it.
203 of 208 people found the following review helpful
Great filter One expensive weakness 18 Sept. 2007
By Your Pen name will be displayed in all of your public Amazon contributions - Published on Amazon.com
This is a great filter, I've it used on many hiking trips. It pumps fast which is great when filtering for more than one person, though at 16 oz. it is not the lightest filter on the market but it's design makes it very field maintainable. The MiniWorks has one annoying weakness that can leave you in a world of hurt when deep in the wilderness. The ceramic filter element is very fragile, I have broken two with no trouble at all. At $35.00 to $40.00 a pop to replace, it is something to keep in mind, be very careful when cleaning the element.
88 of 94 people found the following review helpful
Outstanding water purifier with some well designed touches 11 Oct. 2010
By Michael the Skeptic - Published on Amazon.com
Verified Purchase
I use this water purifier while backpacking in the western US. I think there are different strategies to purifying water from doing nothing to adding chemicals etc. There is evidence that waters in the Sierra Nevadas that come out of glaciers are probably not contaminated. But the only way to prove that is by testing or making certain that there is nothing between you and the source of the water. For me, safety matters. I don't want to be losing water and calories while my intestinal tract runs amok, so I purify water. I don't like the taste of chemical treatments like iodine and chlorine, which may not work if not done right. Boiling water takes too much time, and if you need to stock up on several liters in a dry area, you may not be able to boil enough. That's why I chose a filtration system. And I looked over every brand and model, and chose the MSR MiniWorks based on the following:

1. It is lightweight (I used to have a Katadyn, which is built and weighs like a rock), so it's not going to add too much to your pack. It's heavier than chemicals or some of the UV systems, but it's not bad. It comes in a nice little mesh bag, so you can stuff it into a corner of your pack.

2. It has a 0.45µ filter, which removes 99% of bacteria, and probably 99.999% of parasites (like giardia). It does NOT remove viruses, but unless you're in a crowded city without a good sewage system, I probably wouldn't worry about it. MSR makes a filtration system that adds chlorine, but for a North American or European trip, not worth it.

3. The bottom of the device fits onto standard wide mouth Nalgene bottles and canteens. I have several 3L canteens that I can fill in 2-3 minutes. It makes it easy, reduces spillage, and just is cool.

4. The tube end that goes into the water source has a float. This keeps the intake off the bottom which has fine silt and crud. That'll clog up your filter in minutes if not seconds.

5. The ceramic filter can be easily cleaned. I sometimes carry a spare filter, but I've never replaced the original despite filtering literally thousands of liters of water. Keep it clean, and don't try to filter muddy water, and a ceramic filter can last nearly forever.

6. Despite being all plastic, this thing is bombproof. I don't throw it in the bottom of my pack to be crushed, putting it in a side pocket, but I'm not sure I worry about it that much.

7. It pumps fast, as long as you keep the crud out. I get 1-1.5 l/min. Pristine Sierra streams give me the upper end.

8. Because this filter removes most of the organics in the water, the taste is wonderful. This is what I don't get about the people who love the chemicals. You get the nasty iodine or chlorine tastes PLUS the awful taste of some of the water. I actually use this filter at home sometimes to refill water bottles and put them in my refrigerator.

There's more, but I'm supposed to keep this short. Are there negatives? I don't see one, but I'm sure someone will complain about the weight or plastic breaking or something. None of that has happened to me.

This is probably the best water filter I've ever purchased.
70 of 81 people found the following review helpful
Great portable water filter... 1 Feb. 2007
By Pete S. - Published on Amazon.com
The MSR MiniWorks is a fantastic water filter. I've used it while camping and hiking in the wild, as well as in the US Army with some really funky water from old pipes.

While it doesn't remove all the bad taste of the funky water, it certainly removes harmful bacterial, cysts, and protozoa. I don't believe it's rated to remove viruses, but boiling certainly will. I've used it in clear and cloudy lakes, rivers, and streams and haven't gotten sick. Definitely worth the money.
38 of 43 people found the following review helpful
Tremendous little tool 21 Aug. 2006
By wolfefreespace - Published on Amazon.com
This is a great little device. It is designed so that a standard Nalgene bottle attaches to it. It can take brown, sandy water and make it drinkable. I've taken one to the Boundary Waters Canoe Area Wilderness 3x, and it has never let me down (e.g. I never got any dread disease from the water). It is light, easy to clean, and so simple a 6 year old child can use it. The only drawback is (and this is not really a complaint) that if the water is not spectacularly clean to begin with, the cylinder that does the filtering needs to be scrubbed often (after 2 or 3 liters) to work at its best. Nevertheless, I'd buy one again.
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