Diercon Survival Kit Outdoor Portable Personal Drinking Water Filter Bottle 600ml Bpa Free Plastic Nsf 42/53 Color Red Turns outdoor stream,lake,river water into fresh, Certified by WQA USA to reduce chlorine, chemicals (VOCs), heavy metals and Radon 222.(standard NSF42/53), Tested bu TUV SUD to removeand 6 log (99.9999%) of all protozoa,bacteria etc,great-tasting water anywhere you go 20 oz BPA-Free squeezable bottle with filter can replace 10,000 standard 16.9 ounce water bottles Special all dust-free desin,in case the secondary pollution of the outlet mouthpiece.Squeezing operation,no need for extra power. Exclusive"Damping system"patent desin,make the raw water 100% clean. Compact,small and light,easy to carry.Weight of 220g.lighter than an ordinary bottled water by 60% and more.Variety carried way bring better harmony and more convenience.