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Grayl UltraPress Purifier vs Katadyn BeFree AC Bottle

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

No winner on weight yet. The recorded weights have not both been verified on the same basis. Size, included parts and single-item versus pair weights can differ. Check the linked sources before choosing a replacement.

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Spec Grayl UltraPress Purifier Katadyn BeFree AC Bottle
Weight 354 g · 0.354 kg · 0.78 lb
as listed (16.9 oz UltraPress Purifier, Nature edition)
 93 g · 0.093 kg · 0.21 lb
0.7L Smoke bottle (article 8021571); a 0.9L bottle also exists with a different weight
Brand Grayl Katadyn
Category Hygiene Hygiene
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 →
Katadyn BeFree AC Bottle
93 g

Hard-sided squeeze filter with self-burping design for reliable water filtration.

See it in your base weight → Full details →

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Grayl UltraPress Purifier vs Katadyn BeFree AC Bottle: which should you buy?

The listed weights alone are not enough to choose between these products. Confirm the size, included parts and weight basis against each source; choose equipment for the function and fit you need.

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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