Verona s 46 Designer Series hood insert features 4 fan speeds time delay shut-off stainless steel baffle filters and 4 LED Lights. The Verona insert can be seamlessly installed in to a hood surround for a clean straight-line design with commercial-style performance. A stainless steel 5 button back-lit keypad allows for easy adjustment of the fan speed operation of the LED work lights and auto shut-off timer.Additional features include:Stainless steel anti-grease baffle filters that are dishwasher-safe.1200-CFM motor for powerful ventilation of grease smoke and odors from the kitchen.Light indicator for grease filter maintenance. For external ventilation an 8-inch round duct is required. For interior venting installation an optional filtration kit is required.