... 1. ABS RoHS approved. 2. Freezer fan propeller 4'' inch fan impeller,fridge propeller fan with CCW,refrigerator fan blade ... , the pressure coefficient is high, good material, durability and other characteristics, it is air conditioner, air energy heatpump ... water heater, exhaust ventilation equipment, refrigerators/fridge and Freezer of important parts. Model Example:No.1:Ø590x183590 ...