Ballista Wall-Mount Chimney Hood with Multiple Blower Options, Concealed Three-Speed Slide Control, Heat Sentry, Two Halogen Lamps and Convertible to Non-Ducted Operation: Wide/450 CFM Internal Blower. Beautiful stainless steel construction in a wall mounted design. Seamless corners for easy cleaning. Concealed three-speed slide control. Heat Sentry - Automatically increases fan speed based on cooking temps. Two 20-watt (four in 48") halogen lights (included). Available in 30", 35-1/2" or 48" sizes. Ducted/non-ducted telescopic flues fit 8' to 9' ceilings. Covertible to ducted or non-ducted operation.*(excludes 48" model). Easily removable, dishwasher safe, stainless steel grease filters. Optional flue extension for up to 10' ceilings. Width: 30". Height: 9 3/8". Depth: 20 1/4". Flue Width: 9 1/4". Flue Height: 25 5/8" min./45 1/2". Flue Depth: 6 5/8". Mounting Height: 24" - 30". Visible Shell Height: 9 3/8". Ceiling Height: 8' to 9' (optional 10'). Volts: 120. Amps: 3.1. CFM: 450. Blower: Interior. Duct Connection: 6" Round. Description: Chimney Hood. Finishes: Stainless Steel. Lighting: Halogen Dual 20W. Control Features: Variable Speed Heat Sentry. Control Slide: Slide. Air-Mover Type: Centrifugal Blower. Mount Type: Wall. Bulb Included: Yes. Duct: 6" Round (Vertical) - & 35 1/2" Width. Filters Included: Stainless Steel. CFM/sones Vertical Round: 450/9. HVI Certified: Yes.