What does this water filter straw remove?
This portable water filter straw uses a 0.1 micron hollow fiber membrane to remove 99.9999% of bacteria and protozoa, including E. coli, Salmonella, Giardia, and Cryptosporidium
What water sources is this survival water filter designed for?
It is designed for freshwater filtration from rivers, lakes, and streams. It does not remove salt, heavy metals, or chemical contamination.
How long does the filter last?
Each survival water filter straw provides up to 4,000 liters (1,056 gallons) of filtration, depending on water quality. It’s a long-lasting portable water purifier with no expiration date when properly stored.
Is this water filter straw ready to use out of the box?
No setup is required. This portable water filter straw is ready to use right out of the box. Simply place it in a freshwater source or a container and drink. No batteries, pumping, or assembly needed—ideal for hiking, camping, and emergencies.
| Customer Reviews | 4.4 out of 5 stars 19 | 4.5 out of 5 stars 2,447 | 4.6 out of 5 stars 139 | 4.8 out of 5 stars 45 |
| Price | $10.99$10.99 | $14.99$14.99 | $16.99$16.99 | $22.99$22.99 |
| Great for Hiking, Camping | ✔ | ✔ | ✔ | ✔ |
| Compact & Lightweight | ✔ | ✔ | ✔ | ✔ |
| Safe & Reliable | ✔ | ✔ | ✔ | ✔ |
| Survival Emergencies Essential | ✔ | ✔ | ✔ | ✘ |
| Long Lasting | ✔ | ✔ | ✔ | ✔ |