Range Hood, 30 In Type: Wall Noise Level: 5.5 Sone (vertical discharge) 6.0 Sone (horizontal discharge) Control Type: Infinite speed slide control with blower memory feature that saves last settings. Standard Heat Sentry detects excessive heat and turns blower to high Cooking Light: Accepts two 75 watt bulbs Bulbs not included Duct Size: Convertible to ducted or non-ducted operation. Includes 3-1/4 x 10 damper/adapter. Non-Ducted Filter sold separately Power Source: 120V, 4.5 AMP Filter: Two washable aluminum filter Blower Type: Internal