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Phase 22 Pack

Phase 22 Pack



In stock

Our quantity discounts:

Quantity  6+   12+ 
Price  $4.17   $3.85 

Cryopak Phase 22 Pack

These shipping packs are a unique phase changing hot/cold pack for shipping your reptiles or amphibians.  They are designed to automatically change from a cold pack to a hot pack based on the external temperature.  As temperatures decrease below 72 degrees F. the chemical reaction inside the pack begins to give off heat, and as temperatures rise above 72 degrees the packs become cool.  

The temperature controlling capabilities of these packs are subtle compared to traditional hot or cold packs.  We recommend their use only when external temperatures are relatively mild.  In moderate conditions these packs help create a stable shipping temperature.  These should be used in the smallest box possible and with a minimum of 2 packs per box.