RapidPure Pioneer Water Filter Straw / Personal Water Filtration Survival Straw for Virus, Bacteria, Parasite with Spare Purifier Element UltraCeram Nano filter removes and reduces 99.9999% of cryptosporidium, giardia, cysts, bacteria and viruses without chemicals Ultralight NASA-derived Nano Technology Ultra Fast Flow Rate - Comparable to Drinking through A Regular Straw 7,000 Gallon Capacity - Includes Carrying Pouch Made in the USA - Straw Length 11 Inches