FS-TFC Portable Mini Personal Water Filter Straw Purifier Gravity Outdoor Survival Gear Price:  $17.99 (as of 30/03/2022 19:19 PST- Details) & FREE Shipping.

Great piece of light weight backpacking gear for outdoor activities , hiking, camping, scouting, backcountry travel and emergency preparedness.
Triple filtration -Combination of Sediment Prefilter ,0.1 Micron membrane filter straw ,Activated carbon Fiber;Remove all visible solid sediments,reduce 99.99999% of harmful substances, and improve the odor, ensuring the safest water in the worst environments.
4000L(1,000gallons) Capacity guarateed,FS-TFC water filter straw has been lab tested By SGS international and material match EPA, FDA,WHO standards Food grade standard.

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