Stay hydrated and safe wherever you go with Filterwell's 6L Gravity Water Filter Straw, your ultimate companion for outdoor adventures and emergency situations. Specifications: Container Type: Dispenser Material: TPU Filtration: 5-Stage Efficient Filtration Lifespan: Up to 1,320 gallons (5,000 liters) Water Flow Rate: Up to 500 ml/min Features: Premium Filtration: 5-stage filtration system with coconut shell activated carbon and 0.1 um ultrafiltration membrane removes harmful substances and ensures safe drinking water. Large Capacity: 6L Gravity-Fed Water Bag can hold up to 6 liters of water, meeting all-day outdoor water needs. Long Lifespan: Recyclable straw with backwash purifier function ensures clean drinking water and a longer lifespan. Versatile Use: Connects easily with water bags or bottles for convenient filtration anytime, anywhere. Easy Maintenance: Drainage valve prevents vacuum state for smooth water flow. Description: Stay prepared for any outdoor adventure or emergency situation with the Filterwell 6L Gravity Water Filter Straw. Designed for travelers, backpackers, and emergency preparedness, this innovative water purifier ensures clean and safe drinking water wherever you are. Featuring a 5-stage efficient filtration system, including premium coconut shell activated carbon and an ultrafiltration membrane, this water filter straw effectively removes harmful substances such as chlorine, sediment, and bad odor, delivering a better drinking experience. The exclusive combination of the Filterwell Gravity Water Filter Straw with a 6L Gravity-Fed Water Bag provides ample water supply for extended outdoor activities. With the ability to filter up to 1,320 gallons (5,000 liters) of water and a maximum flow rate of 500 ml/min, this filter straw ensures a reliable source of clean water even in challenging environments. Versatile and easy to use, the Filterwell Gravity Water Filter Straw can be connected to water bags or bottles for on-the-go filtration. Its recyclable design and backwash purifier function maintain cleanliness and prolong the lifespan of the straw, making it a sustainable and cost-effective solution for outdoor water purification. Whether you're hiking, camping, or facing emergency situations like tornadoes or floods, the Filterwell 6L Gravity Water Filter Straw is your essential companion for staying hydrated and safe in any situation.