【Adjustable Chimney】: Wall-mounted chimney-style installation perfect for various kitchen decors, adjustable range of chimney: 15-3/4 inch minimum, 29-1/2 inch maximum (40cm-75cm), this ducted kitchen exhaust fan hood fits 7.5- 8.5 ft ceiling. 6 inch round top vent. Extend up to 10ft ceiling with extension, need to sold separately (Part #USGDEX-01) Product Technology Specification: Product Dimension: 29.5" W x 18.3" L x 36.3" H Main Material: Brushed Stainless Steel Filter: Stainless Steel Baffle Filter x2 Required Ceiling Height: 7.5 to 8.5 ft (Extend up to 10ft ceiling with extension, need to sold separately (Part #USGDEX-01)) Aluminum Exhaust Pipe Length:6.5 feet Noise Level: Less Than 55db at High Speed Air Outlet Diameter: 6 inch