Awarded Best on Test in Practical Boat Owner magazine, December 2009.Most dehumidifiers use a compressor to squeeze water out of the atmosphere. The DD122FW uses desiccant wheel dehumidifier - no compressor means quieter operation, more efficient at lower temperatures. This popular dehumidifier is lightweight, with a low noise level, slim profile and high extraction rate. Features & Benefits:Continuous operation & continuous drainage Slim profile - ideal for boat & caravan ownersLarge extraction capacity Auto-restart function Nano-Silver filter kills bacteria Low noise level Laundry feature Removes 7L of water Desiccant technology