Katadyn BeFree Water Filter vs Opinel No.8 Outdoor

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

Both weigh the same at 65 g, so choose on features, price and fit.

Spec	Katadyn BeFree Water Filter	Opinel No.8 Outdoor
Weight	65 g · 0.065 kg · 0.14 lb	65 g · 0.065 kg · 0.14 lb
Brand	Katadyn	Opinel
Category	Tools	Tools

Katadyn BeFree Water Filter

65 g

Soft collapsible 0.6L bottle with integrated hollow fiber filter. Removes bacteria, parasites, and microplastics at a fast flow rate. Ideal for day hikes and fa...

Check price Full details →

Opinel No.8 Outdoor

65 g

Classic French folding knife with beechwood handle.

Full details →

Katadyn BeFree Water Filter vs Opinel No.8 Outdoor: which should you buy?

On weight these two are identical (65 g), so your decision comes down to features, fit and price. Check the full details and current price for each above.

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

More tools comparisons

Katadyn BeFree Water Filter vs Vargo Titanium Shepherd Hook Stake Katadyn BeFree Water Filter vs Victorinox Classic SD Katadyn BeFree Water Filter vs Deuce of Spades Camp Trowel Katadyn BeFree Water Filter vs GSI Outdoors Pivot Trowel Katadyn BeFree Water Filter vs Leatherman Style PS Katadyn BeFree Water Filter vs Sawyer Mini Water Filtration System