Air King ARD7R Steel Round Collar with Aluminum Back Draft Damper, 7" NonMap The Adjustable Door Bottom for

The Adjustable Door Bottom for Storm Doors is a unique two-piece construction that snaps together securely to fit the door width

Best used for: Armadillos

Finish: Powder Coated (Blade)

7" Outer / inner tube overlap - results in optimal side load performance

Air King ARD7R Steel Round Collar with Aluminum Back Draft Damper, 7" NonMap The Adjustable Door Bottom forAir King Round Collar with Aluminum Damper prevents outdoor air from penetrating the home through the rage hood ducting. Use with Air King AR, AV, DS, QZ and ESQZ series range hoods. Size: 7" dia Material: Steel Finish: Painted Includes back draft damper Painted aluminum ring with butterfly type damper blades Use with Air King AR, AV, DS, QZ and ESQZ series range hoods.