Damper Ø 150 with a pull rod silver.The damper with a pull rod enables the control of the fresh air supply from the outside for combustion in the fireplace. The damper is equipped with a cable and a special gasket that guarantees complete air shut-off. CHARACTERISTICS: - cable length: 1300 mm - thread length for assembly in a 90 mm housing - damper length: 172 mm - material: galvanized steel sheet.