name: outdoor mini filter straw style:UF storage: dry & low temperature storage, light shielded color: white, green filter material: non-woven fabric+paper box size: 12*3cm(4.72*1.2in) packaging: 1pc water purifier key features: 1. filter more: filters up to 4000 liters of natural fresh water without using any chemicals. 4000l clean and drinkable water in a backpack on the go. 2. reliable filtering result: 0.1 micron membrane ensures 99.999999% removal rate of bacteria. tuv and sgs testing reports. 3. superior material: fda approved. impact resistance and ultra-light l630 fits in the palm of your hand. lifespan can be extended by backwash.
