Purewell Outdoor Water Filter Personal Water Filtration Straw Emergency Survival Gear Water Purifier for Camping Hiking Climbing Backpacking(8PCS)

[AUTHORITATIVE CERTIFICATION: Purewell Filter Straw SGS TÜV certified test report ASH15-005515-01 Portable Personal Filter Straw is a survival gear and emergency equipment. It is essential for camping hiking climbing hunting trekking backpacking biking boating RVing foreign travel and wilderness adventure! "5 STAGE FILTER: The outdoor personal water purifiers 5-stage filtration system including hollow fiber ultrafiltration membrane coconut shell activated carbon mesh plugs and double-layer medical-grade PP cotton fibers filters out up to 99.9999% of environmentally unfriendly water odors residual chlorine organic matter and other microscopic substances (Note: TDS value cannot be reduced to ensure that the essential mineral balance of the water is not affected)." FILTRATION ACCURACY: The Purewell Survival Gear Water Purifier removes substances from water with a pore size of 0.01 microns and still maintains an optimal flow rate (550 ml/min) compared to other products with a 0.1 micron filtration accuracy while maintaining the filtration accuracy of this mountaineering gear. LONG LIFE: This wilderness survival essential water filter delivers 1500 liters (396 gallons) of clean safe drinking water. 8.7-inch hose lets you drink without having to lay on the ground. Fits any 28mm threaded bottle. Weighs less than 3.5 ounces. Fits in your hand pocket gym bag survival kit. PREMIUM QUALITY MATERIAL: The outdoor filter straw is made of sturdy and durable food-grade plastic BPA-free with more filtration modes suitable for connecting to standard water softener bags or disposable water bottles on the market which can provide you with a reliable source of clean drinking water anytime anywhere. Especially in emergency situations.]