This video offers instruction on how to use the Platypus GravityWorks filter.
This video offers instruction on how to assemble the Platypus GravityWorks Filter
This video offers tips on how to use the Platypus GravityWorks Filter for backpacking, hiking or camping.
An introduction to the three methods of water treatment used in MSR's line of water filters.
SteriPEN UV water purification technology has taken the methods used to treat municipal water supplies and converted it into a portable hand-held unit for safe drinking water anywhere.