![Imperial GV0748 Round Damper with Key, 4 in Dia, Steel [SKU: ORG8168767]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/600x600/products/38172/36762/8168767__76389.1683070644.jpg?c=1 "Imperial GV0748 Round Damper with Key, 4 in Dia, Steel [SKU: ORG8168767]")
Product Overview
Use to adjust and balance airflow in individual runs of round pipe. [QTY/UOM: 1EA / 1EA] [PMS SKU: ] [Category: HVAC DUCT WORK & VENTILATION/DUCT ACCESSORIES;Shop All]
![Imperial GV0748 Round Damper with Key, 4 in Dia, Steel [SKU: ORG8168767]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/1280x1280/products/38172/36762/8168767__76389.1683070644.jpg?c=1 "Imperial GV0748 Round Damper with Key, 4 in Dia, Steel [SKU: ORG8168767]")
![Imperial GV0752 Round Damper with Key, 6 in Dia, Steel [SKU: ORG8168791]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/38174/36764/8168791__07629.1683070648.jpg?c=1 "Imperial GV0752 Round Damper with Key, 6 in Dia, Steel [SKU: ORG8168791]")
![Imperial GV0750 Round Damper with Key, 5 in Dia, Steel [SKU: ORG8168783]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/38173/36763/8168783__34601.1683070648.jpg?c=1 "Imperial GV0750 Round Damper with Key, 5 in Dia, Steel [SKU: ORG8168783]")
![Imperial GV2278 Butterfly Damper, 4 in Dia, Galvanized [SKU: ORG9051210]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/38525/37115/9051210__21447.1683070804.jpg?c=1 "Imperial GV2278 Butterfly Damper, 4 in Dia, Galvanized [SKU: ORG9051210]")
Imperial
![Imperial GV2281 Volume Damper with Sleeve, 4 in Dia, Galvanized [SKU: ORG9051228]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/38527/37117/9051228__44786.1683070804.jpg?c=1 "Imperial GV2281 Volume Damper with Sleeve, 4 in Dia, Galvanized [SKU: ORG9051228]")
Imperial
![Imperial GV2280 Butterfly Damper, 6 in Dia, Galvanized [SKU: ORG9051186]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/38526/37116/9051186__60079.1683070804.jpg?c=1 "Imperial GV2280 Butterfly Damper, 6 in Dia, Galvanized [SKU: ORG9051186]")
Imperial