HEAT VENT 4' NO DAMPER

Thermovent Heat Vent; Ceiling Mount; Fits 2 Inch Flexible Ducts; Round; 4-1/8 Inch Diameter Cutout Dimension; 4 Inch Diameter Outside Dimension; 360 Degree Rotation; Without Damper; Tan; With Installation Kit; Single; B&B Cross Reference HV4TN-A