← Gear database
Pieps Micro BT vs Sawyer Squeeze SP131
Weight and specs compared for 2026 — and which one to choose.
Sawyer Squeeze SP131 is the lighter option — 90 g lighter than the Pieps Micro BT (51% 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.
Full details →HikeLoad is reader-supported. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Learn more.
Pieps Micro BT vs Sawyer Squeeze SP131: which should you buy?
If saving weight is your priority, the Sawyer Squeeze SP131 wins — at 85 g it is 90 g (51%) lighter than the Pieps Micro BT (175 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.