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

water resistance

Maximum working pressure 125 PSI

Includes M22009 insert

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.