* Membrane Microfilter lasts up to 500 gal / 2,000 L, pore size: 0.2 micron
* Activated Carbon + Ion Exchange Filter lasts up to 26 gal / 100 L
* Filter Size: 6.4 x 1.5 in / 22.9 x 2.5 cm
* Weight (filter + bottle): 3.15 oz / 89 g
* Collapsible Bottle Volume: 22 fl. oz / 0.7 L
* Collapsible Bottle Size: 10.6 x 3.9 in / 26.9 x 9.9 cm

Features:
* Protects against 99.999999% of bacteria (including E.coli, Salmonella), 99.999% of parasites (including Giardia and Cryptosporidium), 99.999% of microplastics, heavy metals including lead, chlorine, organic chemical matter, dirt, sand, and cloudiness; improves taste
* Versatile water filter system, can be used 5 ways: as a personal straw filter, with the included squeeze bottle, with a gravity bag, as an in-line filter with most hydration packs or attached to most disposable water bottles
* Compact and ultralight filter and 22 oz (0.7 L) squeeze bottle weighs 3.15 oz (89 g) and hasan easy-to-fill wide opening
* Long-lasting membrane microfilter lasts up to 500 gallons (2,000 L); replaceable activated carbon + ion exchange filter lasts up to 26 gallons (100 L)
* This product gives back: one purchase, one child, one year of safe water
* Membrane microfilter protects against 999999% of bacteria, 99.999% of parasites, 99.999% of microplastics, dirt, sand, and cloudiness
* Activated carbon + ion exchange filter protects against lead, chlorine and odor for improved taste
* Meets NSF 42 standard for chlorine reduction
* Meets NSF 53 standard for reduction of lead
* Meets US EPA & NSF P231 standards for the removal of bacteria and parasites
* BPA-free
* Bag is made of durable, TPU laminated nylon
* Replaceable filters & parts
* Includes: LifeStraw Flex filter, 22 oz collapsible squeeze bottle, backwashing syringe, user manual

* Hollow fiber membrane filter: 0.2 micron pore size. Removes 99.999999% of bacteria, 99.999% of parasites, and 99.999% of microplastics
* Also removes turbidity (silt, sand, and cloudiness)
* Carbon fiber filter: Improves taste while reducing lead and other heavy metals, chlorine, and organic chemical matter such as pesticides, herbicides, and volatile organic compounds (VOCs).
* Meets US EPA drinking water standards for bacteria and protozoa reduction.
* Meets NSF/ANSI Standard 42 for chlorine reduction, bad taste, odor.
* Meets NSF/ANSI Standard 53 for lead reduction
* Hollow fiber filter lifetime: 500 gallons (2,000 liters)
* Carbon filter lifetime: 25 gallons (100 liters)
* Filtration powered by: suction (as a straw or in-line), pressure (in the squeezable bottle), gravity (when paired with a gravity system).
* Flow Rate: 0.9 liters/minute