Global-Ptt 4G LTE Walkie Talkies 1000 Miles Handheld Rechargeable Portable FRS Two-Way Radios(4Pack with SIM)

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
Ultralight and durable, the LifeStraw weighs less than 2 ounces (46 g) so you can pack it anywhere
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