Keep your cigars fresh with this Cigar Oasis automatic humidification system. The automatic humidifier features an electric fan to circulate humidified air to your exact desired level within 1 RH. A sealed cartridge with 12 ounces of 100-percent distilled water lasts up to a year with a built-in filtration system and mold retardant. Make Overstock.com your headquarters for low prices on fine cigars and cigar accessories. Features include: Humidity sensor/controller Electric fan Sealed water cartridge Adjustable humidity levels Powered from any outlet