Katadyn BeFree Gravity Filtration System Size:6.0L The tank cannot be over-inflated

The tank cannot be over-inflated

Length (Standard): 5 in

Field-cleanable: Microfilter can be easily backflushed in 4 seconds to maintain filter performance

Brightness: 30 lumens (ANSI/PLATO FL 1)

Katadyn BeFree Gravity Filtration System Size:6.0L The tank cannot be over-inflatedWith the BeFree Filter, you no longer have to worry about where your next drink will come from. Just fill up the flask and let the EZ Clean Membrane do the work. Gently squeeze the flask for instant refreshment. Maintain the EZ Clean Membrane quickly and easily for longer life and more enjoyment. Simply fill the flask with water, attach the cover and shake free the debris. Or, remove the filter from the flask and swish in any lake, river or stream.