Durable, packable, and ultralight, this foldable 750ml bladder is made from extra-tough TPU for fast filtration wherever you need it. The 0.1 micron absolute hollow-fiber membrane filter removes 99.99999% of bacteria (like salmonella, cholera, and E. coli), 99.9999% of protozoa (such as giardia and cryptosporidium), and 100% of microplastics, delivering highly effective filtration. It pairs with an ultralight, foldable 750 ml TPU bladder, made BPA-free, FDA-approved, and durable enough for any adventure. The reusable Sawyer Squeeze Filter lasts up to 100,000 gallons and has reinforced fiber walls for strong backwashing. Weighing under 4 ounces, the system includes a cleaning coupling and plunger, and allows for direct drinking, stowing in a vest, or dispensing water into another vessel. Triple-tested for safety, it's built for convenience and reliability.Kit IncludesA Sawyer Micro SqueezeCnoc Premium 750ml Liter Pouch