Wall Mount Chimney Hood with 370 CFM Internal Blower, Multi-Speed Slide Control, Heat Sentry, Two Halogen Lamps, Dishwasher-Safe Aluminum Filters and Convertible to Non-Ducted Operation: Stainless Steel. Multi-speed slide control. Heat Sentry detects excessive heat and adjusts blower speed to high automatically. Two 20-watt halogen lamps included (one level). Dishwasher-safe aluminum filters feature a quick-release latch and professional-style appearance. Ducted/non-ducted telescopic flue accommodates ceiling heights from 8 to 9 feet. Flue extensions for higher ceilings are also available for ducted and non-ducted applications. Requires separate purchase of a non-ducted kit (RRK51) for indoor exhaust recirculation. Istall hood so that the bottom of the unit is 24 to 30 inches above the cooking surface. Mounting height is determined by ceiling height. Canopy Width: 30". Canopy Height: 3 1/8". Height incl. Chimney: min./ 47" max. Depth: 19 5/8". Flue Width: 10". Flue Height: 20 3/8". Flue Extension Height: 26 3/8". Flue Depth: 10 7/8". Mounting Height: 24" - 30". Visible Shell Height: 3 1/8". Ceiling Height Max: 8' to 9' (Opt. 10 ft.). Volts: 120. Amps: 3.1. CFM: 370. Duct: 6" Round. Flue Extension (for 10 ft. ceiling): RFX5304. Non-Ducted Flue Extension: RFXN5304. Non-Ducted Kit: RRK51 (includes non-ducted filter). Non-Ducted Filter: FILTERSQUARE. Description: Chimney Hood. Finishes: Stainless Steel. Lighting: Halogen Dual 20W (included). Control Features: Multi-speed, Heat Sentry. Control Type: Slide. Air-Mover Type: Centrifugal Blower. Mount Type: Wall. Bulb Included: Yes. Duct: 6" Round (Vertical). Filters Included: Aluminum. CFM/Sones Vertical Rectangular: CFM/Sones Horizontal Rectangular: CFM/Sones Vertical Round: 370/7.0. HVI Certified: Yes.