LifeStraw
LifeStraw Peak Series Collapsible Squeeze 1L Bottle with Filter
$43.95
Best Backpacking Water Filters · head-to-head
A sourced, side-by-side comparison. Aquamira Frontier Max Backcountry+ Water Filter is cheaper at $29.99. Every spec and price links to its source.
LifeStraw
$43.95
Aquamira
$29.99Cheaper
On the specs we track, they're closely matched. The Aquamira Frontier Max Backcountry+ Water Filter is the cheaper at $29.99.
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✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | | |
|---|---|---|
| US price | $43.95 Current price on lifestraw.com. | $29.99 |
| Brand | LifeStraw | Aquamira |
| Released | — | — |
| Filtration rating microns | 0.2 | — |
| Flow rate lpm | — | — |
| Rated lifetime (L) | 2000 | 3785 |
| Filter media type | membrane microfilter (hollow-fiber) | hollow-fiber membrane with Miraguard antimicrobial treatment (Series IV interchangeable cartridge) |
| Removes bacteria protozoa virus | bacteria and protozoa (no virus) | bacteria only on the Backcountry+ cartridge tested here; a separate Worldwide-cartridge variant adds virus removal (rated 120 gal) |
| Weight (oz) | 3.2 | — |
| Field cleanable backflush | Yes | No |
| Cartridge replaceable | Yes | Yes |
Sources — LifeStraw Peak Series Collapsible Squeeze 1L Bottle with Filter: lifestraw.com (verified 2026-08-11). Aquamira Frontier Max Backcountry+ Water Filter: aquamira.com (verified 2026-08-11).
Where the two actually differ on the specs we track (4 of 8). Matching specs are omitted.