174F Features: -Use 171H project pack housing for rough-in. 750/1500W 120VAC, 1125W 208VAC, 1500W 240VAC. White grille.. -Designed to fit the 42" evolution QP1 Series range hood. -Refer to the installation guide provided with your range hood or see the FAQ section on this site for proper filter . -2 Required for replacement. -UL Listed for safety. -Permanently lubricated motor, high efficiency blower wheel, nickel-chrome alloy heating element and a manual reset thermal overload protector combine to ensure reliable operation and years of trouble free heating. Dimensions: Overall Height - Top to Bottom: -6". Overall Width - Side to Side: -11". Overall Depth - Front to Back: -15". Overall Product Weight: -5 lbs.