DTL – Damper with SPIRO® System seal. Ideal for motorization.
DT – Damper without seal “VENT” series.
Damper with circular closing blade equipped with hermetic gasket, adjustable from 0 ° to 90 ° equipped with a special adjustment mechanism.
DTL – Damper with SPIRO® System seal. Ideal for motorization.
DT – Damper without seal “VENT” series.
