![AC220v Stainless Steel 51 250mm electric Motorized Damper air Duct Vent air Damper Valve with remote control Adjustable angle| | - AliExpress AC220v Stainless Steel 51 250mm electric Motorized Damper air Duct Vent air Damper Valve with remote control Adjustable angle| | - AliExpress](https://ae01.alicdn.com/kf/S82ab1c0b88bf4361a4747b9303cce7caR/AC220v-Stainless-Steel-51-250mm-electric-Motorized-Damper-air-Duct-Vent-air-Damper-Valve-with-remote.jpg_Q90.jpg_.webp)
AC220v Stainless Steel 51 250mm electric Motorized Damper air Duct Vent air Damper Valve with remote control Adjustable angle| | - AliExpress
![914931-1 Dayton Motorized Damper, For Fan Dia. 36", Galvanized Steel, Number of Panels 1, 100 to 240 Voltage | Imperial Supplies 914931-1 Dayton Motorized Damper, For Fan Dia. 36", Galvanized Steel, Number of Panels 1, 100 to 240 Voltage | Imperial Supplies](https://www.imperialsupplies.com/ProductImageThumbs400/74/66/PI_Asset_1137466.jpg)
914931-1 Dayton Motorized Damper, For Fan Dia. 36", Galvanized Steel, Number of Panels 1, 100 to 240 Voltage | Imperial Supplies
![MVCD - Motorized Volume Control Damper Damper Selangor, Malaysia, Kuala Lumpur (KL), Seri Kembangan Manufacturer, Supplier, Supply, Supplies | Prudent Aire Engineering Sdn Bhd MVCD - Motorized Volume Control Damper Damper Selangor, Malaysia, Kuala Lumpur (KL), Seri Kembangan Manufacturer, Supplier, Supply, Supplies | Prudent Aire Engineering Sdn Bhd](https://cdn1.npcdn.net/images/154030232597c7cd09bf1390d0ab8208a860dfa596.png?md5id=8381872fa17f9dcb5fdb58802461c46e&new_width=1000&new_height=1000&w=-62170009200)