5 High Capacity Emergency Survival Water Straws - Personal Water Filter for Camping, Hiking, Travel, Biking, Survival, Emergency preparedness, Lightweight, Reusable and with no Expiration Date. (5)

Q: Is there a shelf life on these if they aren't needed for years?

properly stored in a non freezing temperate environment,they should store indefinately in original packaging and unopened/unused

Q: how can I calculate how many gallons were used in order to switch to another one?

Calculate?? I’d say when it’s time to switch when it gets harder to suck or push water through the straw!!! However don’t forget you can back-flush them if you have the syringe from Another water filter.

Q: does this make saltwater drinkable?

No, you need a reverse osmosis desalination system.

4.8/5

Product ID: 742936273

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Details

Brand
Practical
Special Feature
Lightweight 1
Product Dimensions
8"L x 1.5"W x
Package Information
Bag
Installation Type
Freestanding
Power Source
Manual Winding

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Description

5 High Capacity Emergency Survival Water Straws - Personal Water Filter for Camping, Hiking, Travel, Biking, Survival, Emergency preparedness, Lightweight, Reusable and with no Expiration Date. (5)