Kit feature high quality R134a compatible components that will give better or equivalent cooling effects than the older R12 systems.  Key components include special R134a compatible hoses and compressor to minimize recurring maintenance and system service.  Kit are available for King Air 90s, 100s, 200s, 300s, 1900s, Barons, Bonanzas, Dukes, LearJets, Cessna and Piper series aircraft.