Ventilation / Insert Systems: 625 CFM with Baffle Filters. Configuration: Hammered Copper with Steel Frame Construction. Design: Hammered Copper. Color: Oil Rubbed Bronze. Outer Dimension: 38 in. x 24 in. x 36 in. See Spec Sheet for full dimensions. Installation Type: Wall Mount. Suggested Distance Between Stove Top and Range Hood: 36 in.. Material Gauge:18. Hand Made. 100% Recyclable. Composition: 99.7% Pure Recycled Copper. Lead Free (less than .01%). Patina: Fired. Packaging: Wood Crate. Hood Warranty: Limited LifetimeVentilation / Insert System Features:. Imperial Hoods Insert, Made in the USA. Flame Retardant "Balanced" Centrifugal Blowers for Quiet Power. Size: Depth 18.125 in., Width 34.375 in.. Material: Complete Stainless Steel Construction for Durability and Fire Safety. Controls: Variable Controls. Full Control of Both Power and Lights. Lighting: Two 50W Halogen Flood (PAR 20) (Bulbs not included). Electrical: Runs at 115 AC, 60 Hz, 9 AMPS (15 AMP Circuit Recommended).. Heat Controlled Safety Thermostat. Distance Codes: Check local codes and cooking appliance specifications. Suggested distance between stove top and and range hood is 36 in.. Duct: 7 in. Round Vent. Ducting must exit outside the structure.. Built-In Back Draft Damper. Built-In Fire Safety Thermostat. Installation: Simple, stress free installation. Insert Warranty: Limited 7 Year In Home Parts and Labor Warranty (warranty void when used over a Barbeque Grill). Insert ships together with Range Hood in a separate box. Care Instructions Included.