Zephyr 28'' Tornado I Cabinet Insert Hood 600 CFM LED LightsProduct Overview The AK8100BS 28" Core Collection Tornado I Range Hood Insert from Zephyr offers a 3 speed blower with up to 600 CFM. The insert features LumiLight LED lighting, hybrid baffle filters and mechanical slide controls. Features: Tornado I Insert The Tornado I provides muscle and flexibility in a small, barely visible packaged beneath your custom hood enclosure. This 600 CFM insert is upgraded with two hybrid baffle filters, dual level