Dometic 3107206.017 ADB Kit With Manual Control - Polar White AIR DISTRIBUTION - Dometic cold or hot conditioning air distribution box. FOR RECREATIONAL VEHICLES - Kit made for RVs, campers, horse trailers, living quarters, etc. ADJUSTABLE - Easy-to-reach controls, fully adjustable louvers, reusable filter and three-speed blower. HIGH POWERED - Use this unit with brisk air model capable of 13.5K and 15K BTU roof units. EASY TO USE - Simple controls and knobs make it a breeze to deliver just the right amount of air.