... quality.5. The water-proof electric fittings efficiently increase the system's reliability and service life of the electric parts.6 ... units, city bus air conditioner, intercity bus air conditioner, articulated bus air conditioner, double deck bus air conditioner, independent bus air conditioner, rooftop or ... or by vehicle DC battery, etc. GC-11E 11.0kw Air Conditioning System for 5.5-7.0m Mini Bus