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Rewards Program Terms and Conditions
Last updated January 1st, 2020
Opting-in to Moosejaw Rewards:
All users must accept these terms and conditions and create an account with Moosejaw to opt-in to the program and earn, accrue, retain and redeem Moosejaw Reward Dollars (MJ$). The program is FREE to join and membership is ongoing until or unless the user requests to be removed or is removed due to abuse of the program. Users can opt-in to the program while checking out on Moosejaw.com or at one of our stores or at any time within 30 days of purchase to accrue the MJ$ earned on that purchase. Once opted-in to the program, MJ$ will earn and accrue for redemption as described below until the MJ$ expire or the user leaves the program.
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The MSR Miniworks EX Microfilter is an easy way to pump your way to filtered water. The ceramic filter is durable and ready to go, filtering up to 2000 liters of water while you're backpacking or visiting a developing country. Pumping up to 1 liter per minute, you could set up a pretty decent water-filtering race.
The MSR Miniworks EX Microfilter is an easy way to pump your way to filtered water. The ceramic filter is durable and ready to go, filtering up to 2000 liters of water while you're backpacking or visiting a developing country. Pumping up to 1 liter per minute, you could set up a pretty decent water-filtering race.
FEATURES of the MSR Miniworks EX Microfilter
Long-Lasting: Durable ceramic element filters up to 2,000 liter
Solid Activated Carbon Core: Removes unpleasant tastes and many chemical contaminants
Fast Flow Rate: AirSpring accumulator increases filtration speed up to 1 liter per minute
Field-Maintainable: Can be cleaned repeatedly for full filter recovery, no tools required for complete disassembly
Testing: Meets NSF protocol P231 for removal of bacteria (99.9999%) and protozoa (99.9%) from beginning to end of filter life in "worst-case" water
Reliable: Durable carbon / ceramic element ensures safe, taste-free water-even with frequent, heavy use
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 USA
Product Specifications
Features:
Made in USA, Field Cleanable, Replaceable Filter
Best Use:
Car Camping, Backpacking, Hiking, Camping
Weight:
16 oz
Effective Against:
Protozoa and Bacteria
Cartridge / Cycle Life:
2000 liters
Filter Type:
Pump
Packed Dimensions:
7.5 x 2.75 in.
Filter Rate:
1 liter / minute
Eco Friendly:
Yes
Disclaimer:
We only ship this brand to US Addresses.
Product Reviews
Rated 5 out of
5 by
JobJ from
Amazing filterHi. I've had this for over 5 years. It has worked amazingly well for me on my extended outdoor adventures. Recently, while cleaning it out I had a bit of an accident-i lost the small plastic ball that's at the top of the filter to prevent the backflow of water.
Date published: 2022-12-26
Rated 1 out of
5 by
Sam P. from
Complete failureI purchased this pump for a 14 day backcountry elk hunt. The shear size of the pump almost completely deterred me, but I figured for the price and the usual MSR quality, I thought this was going to make everything just a little easier on my small group when it comes to getting water.
Unfortunately, it became easily clogged on the first attempt in a clear stream. Even after cleaning (per the instructions) it never got any better. After three separate attempts, this pump stayed back at base camp for the remainder of the trip. Luckily I had my backup MSR trailshot and steripen, or things could have went bad.
Date published: 2022-11-23
Rated 5 out of
5 by
Kaitlin K. from
Great filter. Had the sameGreat filter. Had the same one for 20 years and just got a new one.
Date published: 2022-10-12
Rated 5 out of
5 by
Igor from
Literally saved my lifeWe were on a hike in Adirondacks and once we went like ten miles deep in a trail we ran out of water. I literally pumped water out of the mud puddle.
Date published: 2022-09-27
Rated 1 out of
5 by
Ruth B. from
Poor functionBought one of these for my BWCA trip. I’ve been filtering water in rustic country for nearly 30 years. First MSR product I have ever been disappointed in. Constant cleaning of the filter with limited water output. Very frustrating to spend so much time trying to get drinking water when prior water filters have worked so well. I would recommend people pass on this one.
Date published: 2022-09-17
Rated 1 out of
5 by
Ronald P. from
Disappointing, especially from MSRPrior to trip tested in kitchen sink. Flow seemed acceptable, not what I would call quick based on experience with other brands.
On 5 day backpack trip in Sierras, crystal clear alpine water, the pumped worked ok through 2-3 liters and then problems started. Extremely slow flow rates, water back-pressured out through inlet tube, and no suction. I ended up cleaning/scrubbing ceramic filter multiple times per liter. Flow would temporarily increase then drop off again and same problems would occur. I spent nearly 45 minutes on last day to fill 4 liters. Brutal. So bummed because I find so many other MSR products invaluable.
Date published: 2022-08-16
Rated 4 out of
5 by
Alonso from
Good for an emergencyGood product, but I need a new piston o ring, where can I bueno it?
Date published: 2022-07-17
Rated 5 out of
5 by
Jeff L. from
Great productAmazing product. Light, reliable, works as advertised. Pumps 20+ litres from northern Ontario lakes before it starts to slow down. A quick filter scrub and it's good to go again. Avoid heavily stained (tannic) water as this seems to clog the filter much quicker. Way better than the Seychelle (clogs easily, unreliable) and is way less expensive than the Katadyn. Definitely recommend!
what is the purpose of the red crescent shaped piece from the picture?
Asked by: curious george
When the gage (red crescent shaped piece) can fit around the filter element, the element has been cleaned to the point it needs to be replaced. When the filter is cleaned using the included cleaning pad, the cleaning pad removes bit of the filter element. Eventually the filter element will be reduced to a minimum size for proper effectiveness and will need to be replaced. The gage will allow you to determine when that time has come.
Answered by: bouyscout
Date published: 2022-12-09
Reviews show ups and downs. Has there been any type of redesign on this product lately ? Or is it operator era ? I would like to purchase one, but reviews leave me wondering. Thanks
Asked by: Brad
Brad,
There has not been a redesign on the MSR Miniworks EX Microfilter. I took a moment to read through the reviews and, Im not seeing a consistent issue. The thing in the reviews that is consistent is praise. I have seen the MSR Miniworks EX Microfilter filter water, and it worked wonderfully. I hope that this helps. Happy Trails.
Answered by: Rocko Gigsby
Date published: 2021-11-02
Diameter of threaded bottom of pump? Will this pump fit on a wide mouth nalgene water bottle? Does one need to purchase an MSR bottle or carry bag?
Asked by: Mastercard
Hello!
Thank you for reaching out in regard to this item. This pump does fit onto a wide mouth nalgene water bottle! With this being said, purchasing a water bottle is not necessary, and a small carry bag is included with this purchase. Hopefully this helps!