Grayl GeoPress 24oz vs Zojirushi SM-TA48 Tumbler
Grayl GeoPress 24oz ($90) vs Zojirushi SM-TA48 Tumbler ($50) — side-by-side specs, weight, pros and cons to help you pick the right water purifier.
Spec-by-spec
| Spec | Grayl GeoPress 24oz | Zojirushi SM-TA48 Tumbler |
|---|
| Price | $90 | $50 |
| Weight | 450g | 220g |
| Capacity | 24oz / 710ml | 16oz |
| Filter | Virus + bacteria + chemicals | — |
| Speed | 8 second press | — |
| Material | BPA-free Tritan | — |
| Cartridge | 250 presses (~65 gal) | — |
| Removes | 99.99% pathogens | — |
| Hot | — | 6h |
| Weight | — | 220g |
| Cleanable | — | Dishwasher lid |
Pros & Cons
Grayl GeoPress 24oz
- Removes viruses (not just bacteria)
- 8-second press filtration
- Drink from any freshwater
- No pumping or waiting
- Travel and backcountry ready
- $90 premium
- Cartridge replacement cost
- 450g with water heavy
Zojirushi SM-TA48 Tumbler
- Holds heat best
- One-hand open
- Fits cup holder
- Smaller capacity
- Lid complex
Zojirushi SM-TA48 Tumbler is the better value at $50. Both are part of our curated water purifier index — tap through to check current pricing.