The exact dimensions of a microwave hood combination vary depending on the model, but they are typically 16 to 18 inches tall, 15 to 17 inches deep and 30 inches wide. The interior capacity may range from 1.5 to 2.1 cubic feet.
As of 2015, microwave hood combination units are available from several manufacturers, including Whirlpool, GE, Samsung, Kenmore and Frigidaire. Exhaust fan airflow ranges from 220 to 400 CFM.
Additional features of microwave hood combinations can include sensor cook, removable turntables, convection cooking and one-touch settings. Accessories are sometimes included, such as dishwasher-safe grease filters, charcoal odor filters and full-width racks.