For Semi Bus RV Caravan Universal Air Conditioner Truck 12V 12000BTU Split A/C
12V 12000BTU 卡车分体式空调，适用于半挂车、房车、旅行车和通用型. The parking air conditioner is a kind of in-car air conditioner. Fuel,Energy And Money Saving. WHAT IS PARKING AIR CONDITIONER ?. Install the internal machine: install an expansion valve.