Are you tired of carrying heavy water bottles on your outdoor adventures? Meet Membrane Solutions WS02 water filter straw – the only detachable straw on the market and the ultimate solution for clean drinking water, anywhere and anytime. Our straw is equipped with 0.1-micron filtration technology that reduces 99.99999% of E. coli and sediments. This means you can drink from any freshwater source, from lakes to streams, without worrying about getting sick. Each straw can filter up to 5, 000 liters of water, which is equivalent to about a year of daily use. The water filter straw is compact, lightweight, and easy to use. Simply place one end into the water and sip from the other end. Enjoy clean, refreshing water on the go and get ready for your next adventure! 
 
 
Your First Choice for Outdoor Survival: WS02 Water Filter is the ONLY detachable straw water filter on the market. 
 
Superior Backwash Design: The detachable mouthpiece connects with the common bottle for backwashing and longer lifespan. 
 
Versatile Filtering Modes: Direct use as a personal life water straw; connect with gravity filter, squeeze bottle or disposable water bottle. 
 
Multiple Purposes: An ideal tool for backpacking gear, hiking gear, travel accessories, camping safety & survival equipment and emergency preparedness items.