1Ugrading Ac System: Adding air conditioning evaporator to vehicles that do not have it from the factory, provides comfortable interior environment and temperature for your vehicle. 23 Wind Speeds: This compressor evaporator has 3 wind speeds, you can adjust air direction and temperature according to your car's needs, convenient to operate. 3High Performance: Professional manufacturing, 32 pass 4 way coil for maximum airflow and cooling capacity. Support electronic thermostat control, practical modification parts. 4Universal Fit: Air conditioning evaporator assembly can be used for modification of cars, RVs, camper, agricultural vehicles, engineering vehicles, etc. 5Professional Installation: Installation is slightly difficult, it is highly recommended to find a professional engineer to assist in the installation to get a better shopping experience.