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MSR Thru-Link Inline Microfilter vs Platypus GravityWorks 4L

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

MSR Thru-Link Inline Microfilter is the lighter option — 93 g lighter than the Platypus GravityWorks 4L (57% less weight). If grams matter to you, that is the one to beat.
Spec MSR Thru-Link Inline Microfilter Platypus GravityWorks 4L
Weight 70 g · 0.070 kg · 0.15 lb 163 g · 0.163 kg · 0.36 lb
Brand MSR Platypus
Category Hygiene Hygiene
MSR Thru-Link Inline Microfilter
70 g

Inline 0.2-micron hollow-fiber filter with activated carbon that integrates into hydration reservoirs for on-the-move filtering.

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Platypus GravityWorks 4L
163 g

Gravity-fed water filter system for camp use.

Full details →

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MSR Thru-Link Inline Microfilter vs Platypus GravityWorks 4L: which should you buy?

If saving weight is your priority, the MSR Thru-Link Inline Microfilter wins — at 70 g it is 93 g (57%) lighter than the Platypus GravityWorks 4L (163 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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