... Low noise; 3-flameproof; 4-waterproof/motor coated with plastics; 5-Used for ... casting: 99.7-99.9%;Electric strength level: 1800V ac for 1s mian application: ventilator, heater, freezer blower ... ,oven, humidifier, exhausting fan, refrigerator, etc.Tip1: Before ordering, pls let us ... products and design are available.. CE approval fan motor for refrigerator