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MSR : Picture 1 regular

About MSR SweetWater Microfilter

MSR SweetWater Microfilter
Enjoy the outdoors with this MSR SweetWater Microfilter. This Microfilter from MSR is a great item to pack along on all your adventures, thanks to its ability to give you clean and drinkable water no matter where you are. It gets rid of over 99.9% of all waterborne bacteria and 99.9% of common protozoan parasites. It weighs a mere 11 oz., making very easy to carry around in your backpack. This filter is capable of pumping water, making it very efficient. Its flow rate of 1.25 L. per minute gives you enough drinking water for a whole group. This unique lever-action feature ensures that you do less to get that clean water you need to save on energy that you can use for other purposes. Its handle folds so that it takes less room in your backpack. Have an awesome time on your adventure with this MSR SweetWater Microfilter.

This product can only be shipped to U.S. addresses.

MSR SweetWater Microfilter Features

  • Weight [with packaging]: 1.45 lb
  • Weighing just 11 oz., it's one of the lightest filters on the market.
  • Unique lever-action pump handle has a 4-to-1 mechanical advantage, so you don't have to work as hard.
  • Simple brushing will restore a clogged filter, and the pump lets you know when the filter needs replacing (each cartridge filters up to 200 gallons of water).
  • Pumps water on both up and down strokes for a fast flow rate of 1.25 liters per minute.
  • Lightweight and compact, the SweetWater Microfilter makes water filtration fast and easy
  • Handle folds flat when not in use for easy packing and storage.
  • Eliminates over 99.9% of all waterborne bacteria and 99.9% of common protozoan parasites, such as giardia and cryptosporidia.
  • Accessories Include: an 80-micron stainless-steel prefilter, two color-coded silicone hoses, foam float, water bottle adapter, cleaning brush, and carry bag

MSR SweetWater Microfilter Customer Reviews Powered by TurnTo®

Reviewed by 2 customers

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Great filter will last for years


Have had this filter for several years and it works well. Pre filter is a must if you want your filter to last. Don't try and pump too fast.


Twas overmatched on its first use.


Only used this new filter the Colorado River at the end of the Tanner Trail along the rapids. This was mid-March when water was needed to make it back up the 9 miles of steep terrain in which no other water is present. I suppose a secondary attachment can be purchased and should be if waters are expected to be turbid, which the Colorado definitely was. The water quickly overpowered the filter, forcing most of the pumped water out the PRV (pressure release valve) and not into the water bottles. In short, filtering was slow-going, but probably works a lot better in clearer water.

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