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Product Highlights:

  • Flow rate of 1.25 liters per minute.
  • Unique lever-action pump handle
  • 11 oz. weight
  • Folding handle
  • 99.9% of all waterborne bacteria
MSR : Picture 1 regular $89.95

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 Specifications

11 oz.
2 in.
Filter media
Silica Depth
Filter pore size
0.2 microns
Flow (L/min)
1 liters per min
Flow (strokes per liter)
Cartridge life
750 L
Field cleanable
Country of Origin
Mechanical advantage
Water Bottle Adapter
Cartridge replacement indicator
Weight [with packaging]
1.45 lb
Mfr #

SweetWater Microfilter Customer Reviews

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by PowerReviews
MSR SweetWater Microfilter

(based on 2 reviews)

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Reviewed by 2 customers

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Great filter will last for years

By T

from Colorado Springs

About Me Avid Adventurer

Verified Reviewer


  • Compact
  • Easy to Use
  • Good Quality


    Best Uses

    • Hiking/Camping
    • Travel

    Comments about MSR SweetWater Microfilter:

    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.

    • Was this a gift?:
    • No

    Comment on this review

    (2 of 2 customers found this review helpful)


    Twas overmatched on its first use.

    By Jimi S.

    from Novato, CA

    About Me Casual/ Recreational

    See all my reviews

    Verified Buyer


    • Compact
    • Easy to Use
    • Good Quality
    • Lightweight


    • Not Functional

    Best Uses

    • Hiking/Camping

    Comments about MSR SweetWater Microfilter:

    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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