Katadyn BeFree AC Bottle vs LifeStraw Peak Series Collapsible Squeeze 650ml
Weight and specs compared for 2026 — and which one to choose.
Hard-sided squeeze filter with self-burping design for reliable water filtration.
Ultralight collapsible water filter bottle at only 3.5 ounces.
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Katadyn BeFree AC Bottle vs LifeStraw Peak Series Collapsible Squeeze 650ml: which should you buy?
If saving weight is your priority, the LifeStraw Peak Series Collapsible Squeeze 650ml wins — at 100 g it is 4 g (4%) 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.