AprilAire 6721 Rectangular Duct Damper – 8″x 8″-Quality Guarantee

Description

The AprilAire 6721 is an automatic damper of the following size:

8 inches x 8 inches

The AprilAire 6721 Rectangular Duct Damper – 8&quot x 8&quot is a rectangular duct damper. This ventilation damper is motorized for zone control systems. This motorized damper measures 7 1/2 inches x 11 1/2 inches x 8 1/2 inches.

The AprilAire 6721