Key features

• •ADVANCED AND SAFE TECHNOLOGY: With Membrane Solutions's advanced safety filtration membrane technology, this filter straw is divided into four stages, including coarse filter screen, Polypropylene nonwovens, coconut shell activated carbon and hollow fiber ultrafiltration membranes. It is able to remove all visible solid sediments,reduce 99.99999% of harmful substances, and improve the odor, ensuring the safest water in the worst environments.
• •PORTABLE: This straw filtration at only 6.7" long and 1.1" in diameter fits any bottle, cup, or glass. It weighs just 10 ounces and fits in the palm of your hand,pocket, gym Bag, backpacks, survival packs and Purses. You can take it anywhere you want conviniently.
• •OPTIMUM PORE SIZE: Our pore size is 0.176 microns. We all know that the smaller pore size, the higher the filtering accuracy, but the lower flow rate. Also we know that a 0.2 micron aperture is enough to filter out 99.99999% of the tiny material. Compared to the 0.1 micron filter straw on the market, our 0.176 μm pore size filter straw maintains the optimum flow rate while maintaining the same filtration accuracy.
• •LONG AND DOUBLE LIFETIME: Each of our water filter straw comes with a extra coconut shell activated carbon pack, each of which can filter 264 gallons of water and is easy to disassemble and replace. So our total filtration flux is 528 gallons. You can use it double longer than other's.
• •VARIOUS APPLICATION: Mini and lightweight filtering system is ideal for recreation, hiking, camping, scouting, domestic and international travel, and emergency preparedness.