... system for bus A/C 1.Control the ventilation door 2.ABS, aluminium-plastic 3.Small order accept Fresh air system for bus A/C ... specificaiton:Material: ABS, aluminium-plastic fan, 3M filter, replaced nut, seal and reliable, turn smoothly and easy ... 5±0.5rpmLocked torque12kgf.cmLocked currentMax.250mANoise levelMax. 43dB(A)Ambient temperature-30°-- 80°Storage temperature-40°-- 85° ...