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Katadyn Gravity BeFree 3.0L vs Platypus GravityWorks 4L

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

No winner on weight yet. The recorded weights have not both been verified on the same basis. Size, included parts and single-item versus pair weights can differ. Check the linked sources before choosing a replacement.

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Spec Katadyn Gravity BeFree 3.0L Platypus GravityWorks 4L
Weight 192 g · 0.192 kg · 0.42 lb 163 g · 0.163 kg · 0.36 lb
Brand Katadyn Platypus
Category Hygiene Hygiene
Katadyn Gravity BeFree 3.0L
192 g

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

See it in your base weight → Full details →
Platypus GravityWorks 4L
163 g

Gravity-fed water filter system for camp use.

See it in your base weight → Full details →

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Katadyn Gravity BeFree 3.0L vs Platypus GravityWorks 4L: which should you buy?

The listed weights alone are not enough to choose between these products. Confirm the size, included parts and weight basis against each source; choose equipment for the function and fit you need.

See where both rank against everything else in this category on the lightest hygiene page, or browse the full gear weight database.

More hygiene comparisons