Katadyn BeFree AC Water Filter (0.5L) vs LifeStraw Peak Series Solo Water Filter
Weight and specs compared for 2026 — and which one to choose.
New-for-2025 2-stage filter: 0.1 micron hollow fiber + removable activated carbon. 2L/min flow, 1000L capacity, improved taste.
Full details →0.2 micron microfilter, 3L/min flow, 2000L capacity. Screws onto 28mm bottles or use as straw. Removes 99.999999% bacteria.
Full details →HikeLoad is reader-supported. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Learn more.
Katadyn BeFree AC Water Filter (0.5L) vs LifeStraw Peak Series Solo Water Filter: which should you buy?
If saving weight is your priority, the LifeStraw Peak Series Solo Water Filter wins — at 48 g it is 24 g (33%) lighter than the Katadyn BeFree AC Water Filter (0.5L) (72 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.