ACF 528 Cooling Fan | 28VDC, 5-Port MS25226-10-4 are used to designate the

are used to designate the rankings of airline pilots

White strobe light only

They are not recommended for use with hot water

It also serves to prevent moisture or air from building up

ACF 528 Cooling Fan | 28VDC, 5-Port MS25226-10-4 are used to designate theThe ACF 328 is able to cool up to three avionics units with up to 20 cubic feet of cooling air per minute. It operates on 28 VDC and maintains avionics equipment at proper operating temperature. These cooling fans use high quality, brushless blower motors and use RunQuiet technology. These units are FAA PMA approved and pass stringent environmental testing to ensure years of reliable service.