Steel construction Opposed blade damper Multi-angled rolled fins Welded construction Durable white finish Color/Finish Family: White Manufacturer Color/Finish: White Duct Opening Height (Inches): 4 Duct Opening Width (Inches): 10 Duct Size: 4-in x 10-in Outside Height (Inches): 5.5 Outside Width (Inches): 11.5 Weight (lbs.): 0.82 Commercial/Residential: Commercial/Residential Design: Louvered Hardware Included: No Installation Location: Floor Material: Steel Package Quantity: 1 Paintable/Stainable: Paintable Shape: Rectangle Style: Basic Volume Control Damper: Yes Warranty: 2-year limited App Compatibility: No Bluetooth Compatibility: No Wi-Fi Compatibility: No CA Residents: Prop 65 Warning(s): No UNSPSC: 47121600