UPD Personal Water Filter Straw - Portable Reusable Survival Purifier with Charcoal Filtration Best for Outdoor Camping Life, Hiking, Bugout, Prepping and Emergency WHILE OTHER WATER FILTER STRAWS may take a while to start the suction or to keep the water flowing and may even let some stuff through, the new improved UPD Personal Water Filter is DESIGNED USING AN INNOVATIVE 8 STAGE CHARCOAL SYSTEM which gives filtration accuracy of 0.01 microns. It provides an easier, faster initial suction, a good after-flow without blockage and efficient filtration to give a reliable source of pure drinking water. NO MORE WORRIES over unexpected contaminations or shortages especially during emergencies. Our straws filter up to 1500 liters so you feel secured knowing that you and your family members can reuse them multiple times. It is a unique survival tool ideal for bugout bags or camping backpacks for outdoor hiking biking and mountain adventures. AVOID THE INCONVENIENCE OF GETTING ON YOUR HANDS AND KNEES TO TAKE A DRINK: The UPD filter straw comes with an added extension pipe which allows drinking from multiple sources such as narrow mouthed bottles or straight from rivers, ponds, streams or any water source. WE AT UPD TEST AND USE OUR PRODUCTS REGULARLY. We expect the best for our family and want the same for yours. We cut no corners: materials used are of high quality such as medical hollow fiber ultra-filtration membrane, coconut carbon, antibacterial balls and pp cotton. Our filter surpasses SGS EPA and FDA certifications. YOUR SAFETY IS OUR CONCERN. Our mission is to empower you to take your safety into your own hands. UPD filter straw is designed to ensure safe water supply in emergencies. It is a compact ultralight solution for clean drinking water. There are no batteries to replace and no moving parts to wear out. Perfect for a vehicle or home emergency kit.