Features:

• Protects against bacteria, parasites, and microplastics, lead and other heavy metals, chlorine, organic chemical matter like pesticides and herbicides, dirt, sand, and cloudiness while removing odours and improving taste
• Independently lab tested, durable and BPA-free
• Every fill avoids single-use plastic bottled water!

Details:

LifeStraw Flex is a 2-stage water filter that exceeds the NSF 53 drinking water standard for reduction of lead also reduces chemicals and removes bacteria and parasites. It can be used in 5 different ways: as a personal straw, with the, included soft-touch bottle, or attached toa plastic water bottle, hydration bladder or as a gravity filter.

Stage 1: Hollow fibre membrane filter removes 99.999999% of bacteria (E.coli, etc.) and 99.999% of protozoa (Giardia, Cryptosporidium, etc.). Lifetime: 2,000 liters (500 gallons)

Stage 2: Replaceable activated carbon fibre capsule reduces lead and chlorine, improves taste, reduces bad odour and organic chemical matters. Lifetime: 100 litres (25 gallons)

Benefits:

• 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

Specifications:

• Membrane microfilter protects against 99.9999% of bacteria, 99.999% of parasites, 99.999% of microplastics, dirt, sand, and cloudiness
• Activated carbon + ion exchange filter protects against lead, chlorine and odour 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
• 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
• 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