Pocket Water Micro-filter

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Can the Diercon straw be frozen?

Author: Time: 06/23/2016 Read: 318

If your Diercon straw has been used, and is then exposed to freezing temperatures, water inside can freeze and crack the filter. You may not see these cracks, so we recommend never letting it freeze by draining the inside water from the straw once afterbeing used. When camping at high elevations or freezing temperatures, be extra careful not to let it freeze.