Lockdown Golden Rod Dehumidifier Rod - 24in - The Golden Rod Dehumidifier works by slightly increasing the air temperature inside the gun safe or other enclosure. This allows the warm air to circulate throughout the safe on a continual basis, thus eliminating humidity, mildew, and condensation. All of which are dangerous to your expensive firearm collection. Made in the USA. 24in Length 110-120 volt AC plug power source Protects Up to 300 cubic feet with an extremely low overall surface area in safe Eliminates moisture from the air by continuously warming the air and creating a convection current within the gun safe to prevent rust build up Perfect for gun safes, boat hulls, camper cabinets, and other small areas that harbor moisture Vermiculite filled, lifetime warranty and Made in the USA