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Katadyn BeFree 1L vs Katadyn BeFree AC Bottle
Weight and specs compared for 2026 — and which one to choose.
Katadyn BeFree 1L is the lighter option — 48 g lighter than the Katadyn BeFree AC Bottle (46% less weight). If grams matter to you, that is the one to beat.
Katadyn BeFree AC Bottle
104 g
Hard-sided squeeze filter with self-burping design for reliable water filtration.
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Katadyn BeFree 1L vs Katadyn BeFree AC Bottle: which should you buy?
If saving weight is your priority, the Katadyn BeFree 1L wins — at 56 g it is 48 g (46%) lighter than the Katadyn BeFree AC Bottle (104 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.