Grayl
GRAYL GeoPress 24oz Water Purifier
$99.95
Best Backpacking Water Filters · head-to-head
GRAYL GeoPress 24oz Water Purifier vs HydroBlu Versa Flow Water Filter
A sourced, side-by-side comparison. HydroBlu Versa Flow Water Filter is cheaper at $25.95. Every spec and price links to its source.
HydroBlu
HydroBlu Versa Flow Water Filter
$25.95Cheaper
Which is better: the GRAYL GeoPress 24oz Water Purifier or HydroBlu Versa Flow Water Filter?
The HydroBlu Versa Flow Water Filter wins 1 of the 1 specs we compare head to head; the other wins 0. The HydroBlu Versa Flow Water Filter is the cheaper at $25.95. The HydroBlu Versa Flow Water Filter both leads on specs and costs less — the straightforward pick.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | GRAYL GeoPress 24oz Water Purifier | HydroBlu Versa Flow Water Filter |
|---|---|---|
| US price | $99.95 | $25.95 |
| Brand | Grayl | HydroBlu |
| Released | — | — |
| Filtration rating microns | — | — |
| Flow rate lpm | 5.3 | 0.76 |
| Rated lifetime (L) | 250 | 378541 |
| Filter media type | electroadsorption + ultra-powdered activated carbon (purifier cartridge) | hollow-fiber membrane |
| Removes bacteria protozoa virus | bacteria, protozoa, and virus (EPA-compliant purifier) | bacteria and protozoa (no virus, no chemicals) |
| Weight (oz) | 15.9 | 2 |
| Field cleanable backflush | No | Yes |
| Cartridge replaceable | Yes | No |
Sources — GRAYL GeoPress 24oz Water Purifier: grayl.com (verified 2026-08-11). HydroBlu Versa Flow Water Filter: hydroblu.com (verified 2026-08-11).
What's the difference between the GRAYL GeoPress 24oz Water Purifier and HydroBlu Versa Flow Water Filter?
Where the two actually differ on the specs we track (7 of 8). Matching specs are omitted.
- Flow rate lpm: GRAYL GeoPress 24oz Water Purifier 5.3 vs HydroBlu Versa Flow Water Filter 0.76
- Rated lifetime (L): GRAYL GeoPress 24oz Water Purifier 250 vs HydroBlu Versa Flow Water Filter 378541
- Filter media type: GRAYL GeoPress 24oz Water Purifier electroadsorption + ultra-powdered activated carbon (purifier cartridge) vs HydroBlu Versa Flow Water Filter hollow-fiber membrane
- Removes bacteria protozoa virus: GRAYL GeoPress 24oz Water Purifier bacteria, protozoa, and virus (EPA-compliant purifier) vs HydroBlu Versa Flow Water Filter bacteria and protozoa (no virus, no chemicals)
- Weight (oz): GRAYL GeoPress 24oz Water Purifier 15.9 vs HydroBlu Versa Flow Water Filter 2
- Field cleanable backflush: GRAYL GeoPress 24oz Water Purifier false vs HydroBlu Versa Flow Water Filter true
- Cartridge replaceable: GRAYL GeoPress 24oz Water Purifier true vs HydroBlu Versa Flow Water Filter false