• Protects against 99.999999% of bacteria (including E.coli, Salmonella), 99.999% of parasites (including Giardia and Cryptosporidium), 99.999% of microplastics, silt, sand, and cloudiness
• Enhanced microfilter performance helps to reduce clogging from sand and silt for better flow rate
• Ultralight and durable, pack it anywhere for your backup hydration, emergency, or on-the-go needs
• Extreme durability: premium materials make it tougher and ultra leak-proof
• Unlimited shelf life means no need to worry about how long it’s been in your emergency go-bag unused
• Highly versatile: Can also be attached to water bottles and to standard gravity hoses with removable threaded bottom cap
• Long-lasting membrane microfilter will last up to 1,000 gallons (4,000 L) of water, that’s enough drinking water for an individual for over 5 years