The LifeStraw Peak Series 3-in-1 Water Filtration Kit gives you three ways to access safe water from lakes, rivers, and streams. You can use it as a straw, squeeze bottle, or gravity system. :snow_capped_mountain: Filters out 99.999999% of bacteria and 99.999% of parasites + microplastics :snow_capped_mountain: Fast flow rate. Fill a 1L bottle in just 20 seconds :snow_capped_mountain: Ultralight and durable enough for your longest hauls :snow_capped_mountain: Highly versatile. Screws onto standard 28mm water bottles :snow_capped_mountain: One kit. All terrain.