Check the listing for details. Lockdown Goldenrod Dehumidifier Safe Boat RV Home Pantry Motorcycle. Condition: New. Listed at 42.00 USD. Made In America. 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. Specs: 110-120 volt AC plug power source Protects Up to 100 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 12" - PROTECTS UP TO 100 CUBIC FEET18" - PROTECTS UP TO 200 CUBIC FEET 24" - PROTECTS UP TO 300 CUBIC FEET36" - PROTECTS UP TO 500 CUBIC FEETMade In America. 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. Specs: 110-120 volt AC plug power source Protects Up to 100 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 12" - PROTECTS UP TO 100 CUBIC FEET18" - PROTECTS UP TO 200 CUBIC FEET 24" - PROTECTS UP TO 300 CUBIC FEET36" - PROTECTS UP TO 500 CUBIC FEET