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MSR Guardian Purifier Pump vs Sea to Summit DryLite Towel M

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

Sea to Summit DryLite Towel M is the lighter option — 370 g lighter than the MSR Guardian Purifier Pump (76% less weight). If grams matter to you, that is the one to beat.
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Spec MSR Guardian Purifier Pump Sea to Summit DryLite Towel M
Weight 490 g · 0.490 kg · 1.08 lb 120 g · 0.120 kg · 0.26 lb
Brand MSR Sea to Summit
Category Hygiene Hygiene
MSR Guardian Purifier Pump
490 g

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

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Sea to Summit DryLite Towel M
120 g

Ultralight microfibre towel. Dries 10x faster than cotton.

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MSR Guardian Purifier Pump vs Sea to Summit DryLite Towel M: which should you buy?

If saving weight is your priority, the Sea to Summit DryLite Towel M wins — at 120 g it is 370 g (76%) 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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