Replacement cartridge/filter for BeFree 600 ml and 1 litre water filtration bottles. 
 
BeFree™ 0.1 micron microfilter removes harmful bacteria and cysts.
Filter has a fast flow rate and is easy to clean without back-flushing or special tools.
EZ-Clean Membrane™ 
Output up to 2 litre/min
Approximate Cartidge life of 1,000L