Product introduction of the handle damper
Damper Quadrant is zinc plated steel sheet with handle action. Zinc cast wing nut G.I .These quadrants are suitable for square or round duct. Quadrant Damper Regulator Set is used for controlling the damper inside the ductwork.
Material: Galvanized steel
Hole size: Square 1/4" (6mm*6mm)/ 3/8"(9mm*9mm)
Surface: Zinc coated