This bus air conditioner is with aluminum casing, low weight, high strength, slim design. It has the following features: 1. applicable for 7.3-9.5m citybus and intercity bus; 2. fashionable style, high quality aluminum alloy case, light and slim and elegant in appearance, integrated into the bus body; 3. corrossion proof; 4. low air resistance; 5. high cooling capacity, high cooling weight ratio; 6. quality parts ensure quality product! 7. many years running experience in China and abroad! Best air condition, best climate---This is JYAC air con!