MSR Thru-Link Inline Microfilter vs Nalgene Wide Mouth 1L
Weight and specs compared for 2026 — and which one to choose.
Inline 0.2-micron hollow-fiber filter with activated carbon that integrates into hydration reservoirs for on-the-move filtering.
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MSR Thru-Link Inline Microfilter vs Nalgene Wide Mouth 1L: which should you buy?
If saving weight is your priority, the MSR Thru-Link Inline Microfilter wins — at 70 g it is 108 g (61%) lighter than the Nalgene Wide Mouth 1L (178 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.