Said to eliminate the risk of water damage to enclosed electronics, even in work areas that require direct wash down with a hose, the IQ150FPW-SS stainless steel ventilated filtered fan system includes both air intake and exhaust units. Measuring 18" x 10.5" x 5", the system features a powerful centrifugal blower that draws filtered ambient air through a 10-micron electrostatic air filter that prevents dust and other airborne contaminants from entering the enclosure. The air channel design blocks liquids from being drawn into the enclosure and the intake air creates a positive pressure within the enclosure which, forces heated enclosure air out through an exhaust port. Price is $375.