Katadyn Gravity BeFree 3.0L vs Sawyer Mini Water Filter
Weight and specs compared for 2026 — and which one to choose.
Lightweight gravity filter system at 6.7oz. Ideal for group camping and basecamps.
Full details →Ultralight inline water filter. 100,000-gallon lifetime.
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Katadyn Gravity BeFree 3.0L vs Sawyer Mini Water Filter: which should you buy?
If saving weight is your priority, the Sawyer Mini Water Filter wins — at 53 g it is 139 g (72%) lighter than the Katadyn Gravity BeFree 3.0L (192 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.