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Activity

1. Travel (6)
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3. Day walking (7)
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Water Filter Type

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2. Fiberglass filters (1)
3. Hybrid filters (2)
4. Tablets (1)

Brand

1. Katadyn (3)
2. Steripen (5)

Weight

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2. 100g-200g (3)
3. 300g-400g (1)
4. 400g-500g (1)