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Katadyn BeFree 1.0L vs SPOT Gen4

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

Katadyn BeFree 1.0L is the lighter option — 92 g lighter than the SPOT Gen4 (62% less weight). If grams matter to you, that is the one to beat.
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Spec Katadyn BeFree 1.0L SPOT Gen4
Weight 57 g · 0.057 kg · 0.13 lb 149 g · 0.149 kg · 0.33 lb
Brand Katadyn SPOT
Category Safety Safety
Katadyn BeFree 1.0L
57 g

Flow-optimized 0.1-micron EZ-Clean hollow fiber filter integrated with 1L soft flask. Delivers 2L per minute filtration without pumping.

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SPOT Gen4
149 g

One-way satellite tracker with SOS capability.

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Katadyn BeFree 1.0L vs SPOT Gen4: which should you buy?

If saving weight is your priority, the Katadyn BeFree 1.0L wins — at 57 g it is 92 g (62%) lighter than the SPOT Gen4 (149 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.

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