"Waterproof Cooling Fan" Fan Box + fan: PBT material is white (plastic heat distortion temperature of 230 ℃)Box + fan blades: PBT material for black (plastic heat distortion temperature 230 ℃)"Waterproof Cooling Fan" box + fan blades: for PC transparent material (plastic heat distortion temperature of 120 ℃)"Waterproof Cooling Fan" box + fan blades: the formation of the appearance of color (plastic heat distortion temperature of 120 ℃) for PC raw material plus different Toner