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MSR Guardian Purifier Pump vs Sawyer Squeeze Filter

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

Sawyer Squeeze Filter is the lighter option — 405 g lighter than the MSR Guardian Purifier Pump (83% less weight). If grams matter to you, that is the one to beat.
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Spec MSR Guardian Purifier Pump Sawyer Squeeze Filter
Weight 490 g · 0.490 kg · 1.08 lb
as listed
 85 g · 0.085 kg · 0.19 lb
filter only, as listed
Brand MSR Sawyer
Category Hygiene Hygiene
MSR Guardian Purifier Pump
490 g

Military-grade water purifier removes viruses, bacteria and protozoa.

See it in your base weight → Full details →
Sawyer Squeeze Filter
85 g

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

See it in your base weight → Full details →

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MSR Guardian Purifier Pump vs Sawyer Squeeze Filter: which should you buy?

If saving weight is your priority, the Sawyer Squeeze Filter wins — at 85 g it is 405 g (83%) lighter than the MSR Guardian Purifier Pump (490 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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