Product Description
Improve your ventilation efficiency with this automatic make-up air damper from Broan. The air damper provides a controlled point for fresh, outdoor air to enter your home as air is exhausted from the building by a compatible BEST, NuTone or Broan range hood. The damper is designed to only open while your range hood is on.

Dimensions
Width: 6" (15.2 cm) Height: 10" (25.4 cm) Depth: 8" (20.3 cm) 

Shipping Dimensions
Width: 8.5" (21.6 cm) Height: 11.25" (28.6 cm) Depth: 10.5" (26.7 cm) 

Weight
11.25 lbs (5.1 kg)