These simple and reliable egg incubator exhaust fans are suited for all kinds of industrial 528 and 5280 eggs incubators. The simple and easy design and functions make it efficient for egg incubator aeration. The incubator exhaust fan is used to make air flow inside the incubator uniform and efficient in all areas inside the machine. The fan automatically starts when then incubator is powered on, increases and decreases speed depending on the temperature inside the machine and stops when the machine is shut down. The 528 and 5280 eggs incubator spare exhaust fan has 5 wings that ensures proper and maximum circulation of air in the machine is attained. This is the original model hence maximum output should be expected during operation. The fan is fitted with copper wires.