30 Inch Under Cabinet Range Insert Hood with 4-Speed/600 CFM Blower Keep steam, odors, and grease in the bay with this Bosch custom under-cabinet range insert that clears the air at 600 cu. ft. per minute. The dishwasher-safe aluminum mesh filters efficiently filter grease and other solid particles out of the extracted air. Bosch products are designed and tested with decades of use in mind. No matter what style your kitchen, Bosch will deliver consistency in design and performance.