Key Specifications/Special Features: Reinforced fiberglass plastic casing, durable and elegant outline, vibration and corrosion resistance Heat transfer: made of rifled copper tube and aluminum plate fin, high efficiency Specially finished copper tubes for corrosion resistance Reliable and durable fans of high efficiency World-famous expansion valve to match the device for excellent cooling efficiency of the system Operated by electric circuit of mini computer of high efficiency, including temperature digital indicator, malfunction inspector and alarm system Outlet filter installed directly in the bus airway, easy and convenient to install and maintain, no occupation of interior space Cooling capacity: 6,000 Kcal/hou Applicable for 4.0 to 5.0m bus (camp bus and ambulance bus) Minimum order: 1 x 20ft container Size: 1,200 x 800 x 250mm Weight: 30kg Refrigerant: R134a