H2O Survival™ Water Filter Travel Straw MAX. Worlds highest capacity Water Purifier Travel Straw. With a maximum filter capacity to purify up to 530 Gallons of Water. This Straw can filter out Bacteria, Heavy Metals & Viruses Utilizing an Exclusive Purification System of 0.01 micron Membrane/GAC and Poly-Iodine.
*The Travel MAX is the much requested upgrade to our mini pocket-sized Water Filter Travel Straw for those that wanted more capacity.