Available only from NMB. Introducing the only series of cooling fans that have achieved IP69K rating, offering the highest proven protection available against closed range, high temperature, high pressure spray-downs. These fans are designed to be protected from environmental factors, and are the desired component for harsh applications. This new series of IP69K fans is available in 12, 24 and 48VDC, with an air flow from 8 to 346 CFM. Sizes available include 40mm, 60mm, 92mm, 120mm, 150mm, and 175mm. They are available with a new metal casing with high reliability in high temperature, plastic magnet, and if desired, stainless NMB bearings with ceramic balls. No other cooling fan manufacturer can offer IP69K rated cooling fans.