B&B Molders 94268 Heating/ Cooling Register; 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; With Damper; Black; With Installation Kit; Single; B&B Cross Reference HV4DBK-A Attributes Shape: Round Mounting Location: Duct Diameter: 4 Inch Length: Not Applicable Width: Not Applicable Color: Black Material: Plastic With Damper: Yes   Product Description B&B Molders is a one-stop shop for injection molded products. Our state-of-the-art material handling system and year-round climate-controlled manufacturing environment ensures resin and molding conditions are optimized for consistent results. From product design and tool build, to manufacturing and assembly, we produce innovative products that meet the demanding requirements of a wide range of industries including military and medical. We are focused, experienced and innovative. Features & Benefits Smooth Contemporary Design Rotates 360 Degree For Optimum Air Flow Features Damper To Close Airflow Hides Screws For Clean Appearance Original Factory Parts Or Direct OEM Replacement Made In USA No Supplier Warranty