MSR MiniWorks EX Microfilter

MSR MiniWorks EX Microfilter

MSR MiniWorks EX Microfilter
List Price: $89.95
Our Price: $84.99
You Save: $4.96 (6%)
Availability: Usually ships in 24 hours
Buy Used: from $79.29 (click here)
Category: Sports
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Equipment Details

Manufacturer: MSR
Brand: MSR
Model: 56425
Color: -
Product features:
  • Reliable: Durable carbon/ceramic element ensures safe, taste-free water?even with frequent, heavy use.
  • Field-maintainable: Can be cleaned repeatedly for full filter recovery with no tools required.
  • Fast Flow: AirSpring Accumulator increases filtration speed; up to 1-liter per minute.
  • Better-tasting Water: Carbon core removes unpleasant tastes and odors caused by organic compounds, such as iodine, chlorine, and pesticides.
  • Lifetime warranty
Accessories:

Sports reviews of MSR MiniWorks EX Microfilter

Customer Review: Worth every penny!
Sport shop rating: 5 Stars

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.
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Description of MSR MiniWorks EX Microfilter

The MiniWorks EX microfilter is the worldwide best-selling microfilter, delivering long-lasting, field-maintainable water filtration in demanding environments. Engineered for frequent and heavy use, it utilizes our workhorse Marathon EX carbon/ceramic element to ensure clean, reliable and taste-free water. Thanks to its innovative AirSpring Accumulator, it?s capable of pumping one liter per minute and the flow rate can be renewed easily and repeatedly in the field?no tools required. It?s lightweight and compact and, most importantly, been proven reliable by thousands of adventurers just like you.
The MiniWorks EX microfilter is MSR's worldwide best-selling microfilter, delivering long-lasting, field-maintainable water filtration in demanding environments. Engineered for frequent and heavy use, it utilizes the company's workhorse Marathon EX carbon/ceramic element to ensure clean, reliable, and taste-free water. Thanks to its innovative AirSpring Accumulator, it's capable of pumping one liter per minute and the flow rate can be renewed easily and repeatedly in the field--no tools required. It's lightweight and compact and, most importantly, been proven reliable by thousands of adventurers just like you.

Features:

  • Reliable: Durable carbon/ceramic element ensures safe, taste-free water even with frequent, heavy use.
  • Field-maintainable: Can be cleaned repeatedly for full filter recovery with no tools required.
  • Fast Flow: AirSpring Accumulator increases filtration speed; up to 1-liter per minute.
  • Better-tasting Water: Carbon core removes unpleasant tastes and odors caused by organic compounds, such as iodine, chlorine, and pesticides.
  • Made in Seattle, USA
  • Effective against protozoa, bacteria, particulates, and chemicals/toxins; not effective against viruses
  • Made in Seattle, USA

Specifications:

  • Weight: 1 pound
  • 2.75 by 7.5 inches
  • Filter Media: Ceramic Plus Carbon
  • Filter Pore Size: 0.2 microns
  • Flow (L/min): 1 liter per minute
  • Flow (strokes per liter): 85
  • Cartridge Life: ~2000 liters
  • Field Cleanable Yes
  • Field Maintainable Yes
  • Mechanical advantage: Yes
  • Water Bottle Adapter: Yes
  • Cartridge Replacement Indicator: Yes

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