Osburn 4" Fresh Air Intake Register With Airtight Damper temperature-sensor 7m) measured from the floor

7m) measured from the floor to the top of the hot air register

the catalytic embers combust unburned fuel from the burner to provide a dynamically more realistic looking ember

Burner Options: Manual Vent-Free Burner for Kennesaw Logs

expanded shales

Osburn 4" Fresh Air Intake Register With Airtight Damper temperature-sensor 7m) measured from the floor4" Fresh Air Intake Register with Airtight Damper What's Included 4" Fresh Air Intake Register with Airtight Damper Features Product Type: Outside Air Kit Allows outside combustion air to feed the appliance Airtight damper prevents air drafts when not in use Fully adjustable wall control included Four inch diameter for lengthy installations Designed for use with the Osburn Stratford wood fireplace Specifications Model AC 01347 Size 4" Material Steel