Waterdrop
Gravity Water Filter Straw
A gravity-fed filter kit designed for camping and emergency situations. Hang the bag and allow water to drip through the straw into your bottle.
$33.99
This filter straw connects to a collapsible water bag. By suspending the bag from a tree or tent pole, gravity facilitates the flow of water through the filter into your bottle or cup. The kit includes a 1.5-gallon bag, an extension hose, and a shoulder strap.
The straw features an ultrafiltration membrane and activated carbon, making it suitable for filtering lake or stream water while camping or for inclusion in an emergency kit at home.
It is compatible with bottles that have a 27.5mm opening, which includes most disposable water bottles but not many reusable ones. It is not effective for saltwater, only for fresh water.
Why it works
- Utilizes gravity for filtration, eliminating the need for pumping or squeezing.
- Facilitates sharing water at camp more easily than a single-person straw.
- Serves as a reliable backup for an emergency kit.
Who it's for
- Individuals preparing a hurricane or earthquake kit.
- Campers seeking a convenient method to filter water for a group.
What to know
- Compatible only with bottles that have ~27.5mm threads, primarily most disposable bottles, not most reusable ones.
- Designed for freshwater use only; ineffective for saltwater.
- Can be cleaned by backwashing with water; avoid using soap or chemicals.
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