Katadyn BeFree 1.0L vs Unknown Phantom Carabiner
Weight and specs compared for 2026 — and which one to choose.
Flow-optimized 0.1-micron EZ-Clean hollow fiber filter integrated with 1L soft flask. Delivers 2L per minute filtration without pumping.
Full details →Lightweight climbing carabiner at 1oz. Full UIAA certified.
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Katadyn BeFree 1.0L vs Unknown Phantom Carabiner: which should you buy?
If saving weight is your priority, the Unknown Phantom Carabiner wins — at 28 g it is 29 g (51%) lighter than the Katadyn BeFree 1.0L (57 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 safety page, or browse the full gear weight database.