Photo Date: 
05/26/2018
Just throw the hose into the water and pump.
Photo Date: 
05/26/2018
Filtering water at the base of Golden Falls.
Photo Date: 
05/13/2018
The MSR Guardian Water Purifier in its supplied case.
Photo Date: 
05/13/2018
The MSR Guardian Water Purifier in its supplied case.
Photo Date: 
05/13/2018
The MSR Guardian Water Purifier.
Photo Date: 
05/13/2018
Pumping the water through the purifier is both quick and easy.
Photo Date: 
05/13/2018
The purifier screws to the top of a standard Nalgene bottle.
Photo Date: 
05/13/2018
The purifier can fill a 32-ounce bottle in less than a minute!