MSR HyperFlow Microfilter

MSR HyperFlow Microfilter

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MSR HyperFlow Microfilter

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Product Information


  • 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
  • High Flow Rate: Pumps more than 3 liters per minute or one liter every 20 strokes
  • Ultralight: Just 7.8 oz. (221 g).
  • Ultra-small: Just 7x3.5 in. ( 17.8 x 8.3 cm) makes it easy to take along even when space is at a premiu
  • Field-Maintainable: Can be cleaned repeatedly for flow recovery without tools
  • Super Convenient: Quick Connect bottle adapter lets you filter water directly into a variety of containers, including all MSR hydration products and other wide-mouth containers
  • Brand : MSR
  • SKU: 11338918


Weight7.8 oz
Width3.5 in
Length7 in
Height3 in
Effective against chemicals/toxinsNo
Effective against protozoaYes
Effective against bacteriaYes
Effective against particulateYes
Effective against virusesNo
Filter pore size (microns)0.2
Flow (strokes per liter)20
Field cleanableYes
Water Bottle AdapterYes
Material(s)Hollow Fiber
Mechanical advantageNo
Filter mediaHollow Fiber
Flow (L/min)3 liters per min
Cartridge life~1000 liters
Field maintainableYes
Cartridge replacement indicatorNo