Gravity-fed Water Filter Straw 3l Bag,versatile Hiker Water Purifier

• Very Versatile: Besides the gravity water filter system, the included filter can be used in many different ways. Use as a personal water filter, or add a 29.5-inch extension tube for more distance drinking. Even connect onto a water bottle.
• Long Lifespan and Speedy Treatment Time: Our water purifier camping has a lifespan of 5,000 liters (1320gallons), for a family of four uses up to 3.5 years. With a flow rate of 27 liters per hour, it won’t slow you down when you’re trying to make miles.
• 5-Stage Filtration - Our upgrade 5-Stage Filtration system including coarse filter screen, double layer pp cotton fiber, coconut shell activated carbon and hollow fiber ultrafiltration membranes. Effectively eliminates up to 99.9999% of Escherichia coli CICC 10389. （Note: Performance data based on independent laboratory testing. Claims apply only to organisms listed.）  
• Easy to Use: Just hang on a tree with the tree strap, hands-free filtration, enjoy effort-free (no pumping, no squeezing, barely any waiting) filtered water within minutes.
• Very Lightweight: Gravity water filter weighs just 2.8 ounces and can be completely rolled up to save space in your backpack. With 3L TPU gravity-fed bag can provide you enough reliable water. Ideal for backpacking, camping, or just keeping on hand for emergencies.

The Multipurpose of Portable Gravity Powered Water Purifier

1.You can put the water inlet of the straw into the water source and suck it out to drink. If it is far away from the water source, connect the hose, put the hose into the water, and drink it.
2.Fill the beverage bottle with raw water, connect it to the water filter straw, and squeeze the water bag or beverage bottle to drink it.Equipped with an expansion interface to connect with more beverage bottles to produce water.
3.Use a silicone tube to connect with the water storage bag, use the pressure generated by the height difference, filter the water with a straw, convenient for many people to drink water.Equipped with a check valve for immediate use.

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