Membrane Solutions Camping Water Filters Portable Gravity-Fed Water Purifier with 6L Gravity Bag and Adjustable Tree Strap for Outdoor Survival

FAQ Q: Can the filter be replaced If so where can I buy the replacements A: Yes when no water flows out from the water filter even though backwash a couple of times you should replace the filter. Q: How often do I need to backwash the water filter straw A: When the flow rate slows down it is better to backwash. Q: What situations does this portable water filter fit A: Hiking camping domestic and international travel emergency preparedness tornadoes rainstorms earthquakes floods etc. Please note: it can’t filter salt water. Q: What you get 1 x 6L Gravity-fed Water Bag with Adjustable Tree Strap 1 x Water Filter Straw 1 x Extension Tube 1 x Connector for Special Bottle 1 x Shut-off Clamp 1 x Storage Bag 1 x User Manual 1 x Retail Box.