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Sawyer Squeeze SP131 vs SPOT Gen4
Weight and specs compared for 2026 — and which one to choose.
Sawyer Squeeze SP131 is the lighter option — 64 g lighter than the SPOT Gen4 (43% less weight). If grams matter to you, that is the one to beat.
Sawyer Squeeze SP131
85 g
0.1-micron squeeze water filter removing 99.99999% of bacteria and 99.9999% of protozoa. Includes three BPA-free pouches.
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Sawyer Squeeze SP131 vs SPOT Gen4: which should you buy?
If saving weight is your priority, the Sawyer Squeeze SP131 wins — at 85 g it is 64 g (43%) lighter than the SPOT Gen4 (149 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 safety page, or browse the full gear weight database.