Features： 1、Lightweight and compact emergency water filtration system removes harmful substances from water and reduces turbidity. 2、0.01um (minimum) filters physically remove 99.99% of hazardous substances. A soft cap protects the straw from dirt and stains. 3、Made of high quality ABS material, with strong toughness, sturdy, durable and long service life. 4、Water purification straw is Ideal for outdoor exploration, emergency preparedness, camping, hiking, etc. 5、Near a stream or lake, drink directly from the source with a strainer, or fill up your water bottle and plug in the strainer and start sipping. Specification： Item Type: Water Purification Straw Product Material: ABS +TPR Water Velocity: 800ml/min Weight: Approx.135g/4.8oz Filter Life: 5000L Applicable Water Source: River Water, Lake Water, Stream Water, Ground Water, Rain Water, Surface Water and Other Sweet Water Without Chemical Pollution Package List： 1 x Water Filter 1 x Water Filter Bag 1 x D Buckle 1 x Manual 1 x Water Filter Pipe 1 x Syringe