- Installation: can be controlled by from the face of the grille by cable with a screwdriver
- Size : Available in wide variety of standard duct sizes ranging from 100 mm Ø up to 375 mm Ø, Any size can be customized according to application
- Shape : round
- Material : – Casing and blades made of galvanized steel sheet .
- Packing: plastic bags
Model Butterfly damper with multiple blades is designed for air volume control for round ducts. Continuously adjustable from the face of the grille by cable with a screwdriver for quick and easy volume control just by twisting until the desired setting is reached. The multiple blades help keep even air flow. All steel construction for durability.