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Katadyn Hiker Pro vs MSR Guardian Purifier Pump
Weight and specs compared for 2026 — and which one to choose.
Katadyn Hiker Pro is the lighter option — 180 g lighter than the MSR Guardian Purifier Pump (37% less weight). If grams matter to you, that is the one to beat.
Katadyn Hiker Pro
310 g
Classic pump water filter. Reliable for extended expeditions.
Full details →MSR Guardian Purifier Pump
490 g
Military-grade water purifier removes viruses, bacteria and protozoa.
Full details →Katadyn Hiker Pro vs MSR Guardian Purifier Pump: which should you buy?
If saving weight is your priority, the Katadyn Hiker Pro wins — at 310 g it is 180 g (37%) 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.