The twin turbine fans of this advanced Filter Free design quickly and quietly eliminate smoke, steam and vapors from cooking. Surprisingly affordable, this sleek, modern design features 6 operating speeds for up to 550 CFM of power. FEATURES AND BENEFITS: High-velocity blower optimally removes Smoke, Grease and Odors Filter – Free design 6 speed illuminated touch controls Two 20 W Halogen Lights brilliantly illuminate the cooking surface Advanced twin turbine fan design Top or rear venting for easy installation Mounting Height from cooking surface 27″ – 32″