External Water Filter SystemWater Purifier for Emergency Preparedness Camping Travel HikingFiltration Performance: Removes at least 99.9999% of waterborne bacteria, 99.9% of waterborne protozoan parasites and filters down to 0.01 microns.+ productScientific design:The soft cap protects the straw from dust and stains.You can use it directly in the river, stream, lake.Deep purification:Filters up to 1000 liters of wastewater without iodine, chlorine or other chemicals; no batteries or moving parts required. Unlike many similar filters on the market today, our Rescue Straw can remove at least 99.9999% of aquatic bacteria and 99.9% of aquatic protozoan parasites, filtering to an astonishing 0.2 microns.Instructions:1. Absorb water with mouth, absorb water or wring out after use, then close the lidSpam: can purify up to 1000 liters of water, and when the lifespan is reached, the straw will be blockedAdvice:Then spit out the first water absorbedPlease do not collect salt water or chemically polluted water.Do not put it in the microwaveIn order to extend the service life, please try to choose water with less impurities.FeaturesEasy to Carry-With a rope for convenient carrying.It is also the perfect gift for your adventurous friends or family members.ApplicationsVery suitable for outdoor travel, sports, fitness, emergency, rescue, outdoor adventure, combat, mining, picnic, hiking, hunting, class and emergency, etc.Innovative Water Filter-Lightweight and compact emergency water filtration system.contaminated WITHOUT iodine, chlorine or other chemicals. Personal water filters is ideal Perfect for outdoor adventure, emergency preparedness, camping, hiking, backpacking, etc.