Acme Tornado 636 vs Platypus QuickDraw Microfilter

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

Acme Tornado 636 is the lighter option — 57 g lighter than the Platypus QuickDraw Microfilter (83% less weight). If grams matter to you, that is the one to beat.

Spec	Acme Tornado 636	Platypus QuickDraw Microfilter
Weight	12 g · 0.012 kg · 0.03 lb	69 g · 0.069 kg · 0.15 lb
Brand	Acme	Platypus
Category	Safety	Safety

Acme Tornado 636

12 g

Loud pealess emergency whistle. Standard SAR equipment.

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Platypus QuickDraw Microfilter

69 g

Hollow fiber squeeze filter with fast flow rate and BPA-free materials. Filters to 0.2 microns removing bacteria and protozoa from water sources.

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Acme Tornado 636 vs Platypus QuickDraw Microfilter: which should you buy?

If saving weight is your priority, the Acme Tornado 636 wins — at 12 g it is 57 g (83%) lighter than the Platypus QuickDraw Microfilter (69 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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