MSR MiniWorks EX Purifier System


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Shop with confidence. If it’s not working out, you can return it (consumables, electronics, undergarments and swimwear excluded).
Really. If it's not up to snuff after you use it (a couple times) you can still bring it back. It lasts longer than 30 days, but not forever. We'll be fair about it.


The classic MSR Miniworks EX water filter now with Aquatabs water purification tablets, for reliable water from questionable sources. The Miniworks EX has a side-mounted lever for easy pumping, and a carbon-cored ceramic element to remove bacteria, protozoa and particulate down to 0.2 microns. The threaded base screws securely onto Nalgene® wide-mouth water bottles and MSR Dromedary™ bags. The included Aquatabs tablets are effective against giardia, bacteria, and viruses, and are safe for adults (including pregnant women) and children to use.

  • Filters at 1L per minute flow rate using AirSpring™ air bubble technology
  • Filter is effective against protozoa, and 0.2 micron or larger bacteria
  • Reduces concentrations of some chemicals (including iodine and chlorine), odours and tastes
  • Includes 50 Aquatab tablets. In normal use with clear water, each tablet treats 2 litres
  • Requires 30 minute contact time with water
  • Contains sodium dichloroisocyanurate (source of chlorine), certified to NSF / ANSI Standard 60
  • Approved and used by international aid agencies including: NATO, WHO, Unicef, International Red Cross, Medecins Sans Frontieres, and Oxfam
  • Aquatabs have not been proven effective against the cyst cryptosporidium when in the oocyst stage of its life cycle

Tech specs

Weight456g (No colour SKU)
Ideal for
  • Camping and hiking
Ceramic filter w/carbon core
Dimensions19 x 7cm
Made inUSA

Reviews (10)

4.3 out of 5 stars with 10 reviews for MSR MiniWorks EX Purifier System

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