Cooling fans are rated for IP69K protection

NMB Technologies IP69K rated cooling fans deliver the highest proven protection available against closed range, high temperature and high pressure spray-downs. Units are designed to be protected from environmental factors, and are the desired component for extreme environment applications. Product series is available in 12Vdc, 24Vdc and 48Vdc, with air flow from 8 to 346 CFM. Sizes available include 40mm, 60mm, 92mm, 120mm, 150mm and 175mm. Designed with a new, high reliability in high temperature metal casing, plastic magnet and if desired, stainless bearings with ceramic balls, and offer a life expectancy of 100,000 hours in 25°C. http://www.cstarwin.com