Camelbak All Clear UV Purifying Water Bottle

In survival situations, there are few things more precious than clean water — which is why the Camelbak All Clear UV Purifying Water Bottle ($75) is a good thing to have in your bag. It features a UV purification system built right into the bottle that effectively neutralizes microbiological contaminants in just 60 seconds, and can treat up to 16 gallons per charge. It even sports a built-in LCD to verify when your agua is ready to drink.

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