Sawyer Squeeze Filter vs SteriPen Adventurer Opti

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

Sawyer Squeeze Filter is the lighter option — 5 g lighter than the SteriPen Adventurer Opti (6% less weight). If grams matter to you, that is the one to beat.

Spec	Sawyer Squeeze Filter	SteriPen Adventurer Opti
Weight	85 g · 0.085 kg · 0.19 lb	90 g · 0.090 kg · 0.20 lb
Brand	Sawyer	SteriPen
Category	Hygiene	Hygiene

Sawyer Squeeze Filter

85 g

Versatile squeeze water filter. 100,000-gallon lifetime.

Full details →

SteriPen Adventurer Opti

90 g

UV water purifier. Purifies 1L in 90 seconds.

Full details →

Sawyer Squeeze Filter vs SteriPen Adventurer Opti: which should you buy?

If saving weight is your priority, the Sawyer Squeeze Filter wins — at 85 g it is 5 g (6%) lighter than the SteriPen Adventurer Opti (90 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.

More hygiene comparisons

Sawyer Squeeze Filter vs PackTowl UltraLite Face Towel Sawyer Squeeze Filter vs CNOC Vecto 3L Water Container Sawyer Squeeze Filter vs Sawyer Mini Water Filter Sawyer Squeeze Filter vs Katadyn BeFree 1L Sawyer Squeeze Filter vs Sea to Summit Trek and Travel Liquid Hand Wash Sawyer Squeeze Filter vs Sea to Summit Wilderness Wash 100ml