Product DescriptionIdeal for hiking, camping, hunting, fishing, emergency prep, or traveling abroad, Sawyer's Squeeze Water Filter ensures access to clean water in the backcountry or anywhere in the world.Kit includes:a 2 Reusable 32-oz BPA-Free Collapsible Pouchesa 1 Cleaning Plungera 1 Cleaning Couplinga Gravity Tubinga Inline Hydration Pack Adaptersa Mesh Storage Bag w/ Hanging LoopIncluded in Ready-2-Go BundleKey FeaturesUse Cases: Lightweight, easy to use portable water filter removes harmful bacteria, protozoa, cysts, sediment, and 100% of microplastics; Perfect for outdoor adventures, travel, or emergency preparedness.High Performance: High-performance 0.1 Micron absolute filter fits in the palm of your hand and weighs just 3 ouncesCompatibility: Built-in and removable flip top sports cap; spray water straight into mouth or bottle from included pouch; also fits standard water bottles with 28 mm threads.Lifetime Warranty: Backed by manufacturer's lifetime limited warranty (Independent Testing Laboratory Hydreion, LLC.; Microbiological Report S05-03); 100% of Squeeze Filter units individually tested three times to performance standards by Sawyer.Removal Rates:Removes 99.99999% of bacteria (salmonella, cholera, and E. coli); removes 99.9999% of protozoa (such as giardia and cryptosporidium); also removes 100% of microplastics.Technical SpecsBest UseBackpacking/camping/travelFilter Material0.1 Micron Absolute Hollow Fiber MembraneLongevity Backed by manufacturer's lifetime limited warrantyWeight 8.19 ouncesDimensions 4 x 6 x 9 in