Description This 18 all-metal exhaust fan is equipped with a 1100W high-speed explosion-proof motor. 105 m3/ min high volume EX fan is suitable for connection to 18 ducts and it is the ideal ventilation fan for flammable and explosive locations. Package Include: The package includes: 1X EX axial fan 1x Rolling Frame Features: 18" Large Axial Fan With Portable Handle, EX-BT4 Explosion-proof fans, EX Certified explosion proof fan is designed with an explosion proof switch Fan Diameter: 18"(450mm), perfect connect to anti-static flexible air duct hose in 18.High-output fan design with large suction power. Diameter: 18 inches (450 mm) and 6 thick blades provide large capacity:150 cubic meters per minute. Two durable grilles provide continuous working safety and clean.