Product review (5 stars): The "outdoor" portion goes inside and the indoor portion sits atop the safe in easy view. I use a on the inside along ...
I use this with my gun safe.  The "outdoor" portion goes inside and the indoor portion sits atop the safe in easy view.  I use a&nbsp;<a data-hook="product-link-linked" class="a-link-normal" href="/Dehumidifier-Rod-12-34/dp/B004QUDTZI/ref=cm_cr_arp_d_rvw_txt?ie=UTF8">Dehumidifier Rod, 12"</a>&nbsp;on the inside along with a rechargeable desiccant&nbsp;<a data-hook="product-link-linked" class="a-link-normal" href="/New-and-Improved-Eva-dry-E-333-Renewable-Mini-Dehumidifier/dp/B000H0XFCS/ref=cm_cr_arp_d_rvw_txt?ie=UTF8">New and Improved Eva-dry E-333 Renewable Mini Dehumidifier</a>.  I run 2 - 4 degrees warmer inside the safe and 4 - 8% less humidity inside the safe, all visible at a glance.