Dayton hazardous location exhaust fans ventilate explosive or flammable vapours, dust and gases in warehouses and industries. They have galvanised steel construction with 3, spark-resistant aluminium bladed propellers for corrosion resistance and durability. They are capable of withstanding a maximum ambient temperature of 104 degrees F. These fans feature direct drive motors with class B insulation for directly connecting to the fan through shafts or axles, thereby increasing energy efficiency. They have pre-punched mounting holes for quick installation. Choose from a wide range of these exhaust fans, available in ring exhaust fan and panel exhaust fan variants.