Portable drinking straw,filters as you drink. Chemical free. Easy to use. Patented membrane technology, filtering 99.9999% of bacteria from drinking water. Laboratory tested . Filters up to 500L/132g (0.2 microns) 10 months of water. Safety cut off. Kind to the environment. Tested at NATA (National Association of Testing Authorities) Approved Laboratory
Ideal for remote camps and overseas travel.