Turn your favorite water bottle into a powerful water filtration system. The LifeStraw Universal is the first water bottle adaptor kit with a 2-stage filter and 2 caps that fit most narrow and wide mouthed water bottles.

Includes an advanced water filter, narrow mouth and wide mouth caps, and a leak-proof lid to fit most reusable water bottles. Compatible with select models from Hydroflask, Klean Kanteen, Camelbak and Nalgene. The filter protects against bacteria, parasites and microplastics, reduces chemicals like chlorine and improves taste.  These filters are rigorously tested to meet protocols established by the US Environmental Protection Agency (EPA) and NSF International/ANSI. 

• Two different sized caps make it possible to turn almost any water bottle into a powerful water filtration system for cycling, hiking, international travel, fitness, and emergency preparedness
• Compatible with many models of Hydroflask, Klean Kanteen, Camelbak, Nalgene and other bottle brands.
• Removes 99.999999% of bacteria
• Removes 99.999% of microplastics
• Removes 99.999% of parasites
• Reduces organic chemical matter (pesticides, herbicides, VOCs)
• Exceeds NSF 42 standard for chlorine reduction
• Exceeds US EPA drinking water standards for bacteria and parasites
• Microbiological filter lasts up to 4,000 liters (1,000 gallons)
• Carbon capsule lasts up to 100 liters (26 gallons)