JerneH2O Portable Water Filter Straw Ideal for backpacking, hiking, camping, scouting, back country travel, mission trip and emergency preparedness such as flood. Using technology of hollow fiber UF membrane and anti-bacterial carbon fiber combination which can remove 99% of bacteria, such as salmonella, cholera, E.coli, and protozoa, such as giardia, cryptosporidium which tested by Accredited Testing Laboratories and meet National Drinking Water Quality Standard. JerneH2O also eliminate sediment, odor, color, chlorine, organic matter and heavy metal in water. Designed with unique clip for hook. Multi function silicone rubber flexible adapter suit for most of PET bottle and Squeeze Pouch. Faucet mount & Gravity Filtration available. SGS Bacteria Filter passed. Products Material Meet NSF/EPA Standard. Features: Hollow fiber membrane installed. Its pore size only allows water, beneficial minerals and trace elements in the water to pass through, and the smallest bacteria have a volume above 0.2 microns. Nano Activated Carbon Fiber-Filter Media have adsorption capacity to inorganic matter, dye, organic matter and heavy metal. This product is BPA Free. All raw material food grade and safe to human body and environments. A complete set with a water purifier straw, squeeze water pouch, silicone hose and and a drawstring sack for easy storage and carrying. Perfect for outdoor adventure, emergency preparedness, camping, hiking, backpacking, etc. Specifications: Product name: JerneH2O Portable Water Filter Straw Function: Outdoor survival camping, hiking, filter tap water, or educational tool for kids Filter material: UF hollow Fiber membrane/Carbon Fiber removes minimum 99% Usage: Filter water from river stream lake Capacity: 4000L Size: 40mm x 160mm Net weight: 50g Output: 200ml/min Color: Army Green Flush method: Side Flush /Back flush Packing: Paper box Certificate: SGS Food grade Watch user manual on youtube : https://www.youtube.com/watch?v=h003vnJJyNk