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Katadyn Gravity BeFree 3.0L vs Nalgene Wide Mouth 1L

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

Nalgene Wide Mouth 1L is the lighter option — 14 g lighter than the Katadyn Gravity BeFree 3.0L (7% less weight). If grams matter to you, that is the one to beat.
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Spec Katadyn Gravity BeFree 3.0L Nalgene Wide Mouth 1L
Weight 192 g · 0.192 kg · 0.42 lb 178 g · 0.178 kg · 0.39 lb
Brand Katadyn Nalgene
Category Hygiene Hygiene
Katadyn Gravity BeFree 3.0L
192 g

Lightweight gravity filter system at 6.7oz. Ideal for group camping and basecamps.

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Nalgene Wide Mouth 1L
178 g

Classic 1L Tritan water bottle. Leakproof and BPA-free.

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Katadyn Gravity BeFree 3.0L vs Nalgene Wide Mouth 1L: which should you buy?

If saving weight is your priority, the Nalgene Wide Mouth 1L wins — at 178 g it is 14 g (7%) 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.

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