Vertical or rear exhaust option lets you connect the ductwork to the top or rear of the range hood, Limited 1 year warranty, Tap-touch capacitive control features a smooth, easy-to-clean surface, Non-duct capable with use of HRKMBLS Non-Duct Kit (sold separately), Convertible chimney hood can be installed as ducted or non-ducted to fit a variety of installation needs, Dishwasher-safe micro-mesh filters provide highly efficient grease removal, Powerful 600 Max Blower CFM operates at a quiet 1.5 sones at normal speed, Bright dual halogen lighting with 2-intensity settings (bulbs included), Flue extension for higher ceilings is also available (model FXE54BLS)