Valcourt 8" x 8" Seal Tight Chimney Damper d20.5 130 CFM of quiet air

130 CFM of quiet air output

You can check out the function on an easy-to-read digital screen

Make your gas fireplace or log set even more realistic

**Some appliances have been tested with a low ceiling

Valcourt 8" x 8" Seal Tight Chimney Damper d20.5 130 CFM of quiet airMade of durable cast aluminum, its low profile offers the advantage of fitting under an existing chimney cap or being very discreet on top of the chimney. It is designed to help save in heating and cooling bills; to prevent downdrafts and odors; to keep out rain, snow, birds, and pests from entering the chimney, while limiting outside noise. A simple and ingenious system operates on a hinge point to allow opening and closing the shutter on a single