1[Multi Adjustment] The auto air conditioner evaporator assembly has three levels to adjust the wind speed, wind direction adjustment and temperature adjustment. 2[Principle of Operation] The auto air conditioner evaporator assembly uses liquid low temperature refrigerant to evaporate easily under low pressure, transforming into vapors and absorbing heat from the cooled medium to achieve the purpose of cooling. 3[Suitable Vehicle] This auto air conditioner evaporator assembly with air vents is suitable for cars, trucks, RVs, etc. 4[Kit Contents] The car air conditioner evaporator assembly kit comes with a mounting bracket, condensation tube and tee tube, and a fixing bracket. 5[Abs and Metal Alloy Material] Our auto air conditioner evaporator assembly is corrosion and wear resistant and made of Abs and metal alloy material.