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Grayl GeoPress vs Grayl UltraPress Purifier

Weight and specs compared for 2026 — and which one to choose.

Grayl UltraPress Purifier is the lighter option — 96 g lighter than the Grayl GeoPress (21% less weight). If grams matter to you, that is the one to beat.
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Spec Grayl GeoPress Grayl UltraPress Purifier
Weight 450 g · 0.450 kg · 0.99 lb 354 g · 0.354 kg · 0.78 lb
as listed (16.9 oz UltraPress Purifier, Nature edition)
Brand Grayl Grayl
Category Hygiene Hygiene
Grayl GeoPress
450 g

Water purifier bottle at 450g. 710ml capacity with advanced filtration technology for pathogen and chemical removal.

See it in your base weight → Full details →
Grayl UltraPress Purifier
354 g

Press-style 16.9oz bottle purifier using electroadsorption and activated carbon; removes viruses, bacteria and protozoa.

See it in your base weight → Full details →

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Grayl GeoPress vs Grayl UltraPress Purifier: which should you buy?

If saving weight is your priority, the Grayl UltraPress Purifier wins — at 354 g it is 96 g (21%) lighter than the Grayl GeoPress (450 g). That said, the heavier option may justify the extra grams with more capacity, durability or comfort, so weigh the trade-off against how you'll use it.

See where both rank against everything else in this category on the lightest hygiene page, or browse the full gear weight database.

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