• Innovative Detachable Design: Our WS02 water filter straw now is the only detachable straw on the market, both ends can be disassembled. That means it just needs to replace the filter element anytime and anywhere, no need to replace the straw tube shell frequently, which is truly reusable, money-saving, and more environmentally friendly. SGS certificated, Test Report NBF21-004693-01
• Superior Backwash Solution: Detachable mouthpiece connects with the common bottle for backwashing, no need for an extra syringe, make cleaning easier. Camping water filter does not expire like water purification tablets and does not require batteries, very easy to use.
• 4-Stage Filtration: Our backpacking water filter is made up of 0.1-micron hollow fiber ultrafiltration membrane, coconut shell GAC filter, and double PP fiber filter. Removes 99.99999% of Escherichia coli, odor, iodine, chlorine, heavy metals, make water taste better. What's more, it can maintain the optimal flow rate (500ml/min) while the filter pore size is smaller. Long lifespan to provide at least 5,000 liters clean water.
• Versatile Filtering Modes: Direct use as a personal water filter; also ideal for connecting with soft water pouch or standard disposable water bottles to squeeze get pure water; even add an extension silicone pipe (Tubing NOT Included) on emergency water filter for more distance to drink; plus, as a replacement gravity filter to provide enough fresh water for family & group.
• Safier Survival Tool: Match with EPA filter standards, Food-grade and BPA-Free materials ensure drinking water safety. An ideal tool for multiple purposes such as backpacking gear, hiking gear, travel accessories, camping safety & survival equipment and emergency preparedness items. Even the hiking water filter is also suitable as a gift for hikers.