OPTONE� "+ Grille" 1 flap
OPTONE “+Grille” smoke control dampers are intended for commercial premises and can be used as air inlets or for smoke and heat exhaust.
OPTONE� "+ Grille" 2 flaps
OPTONE� "Classic" 1 flap
OPTONE “Classic” smoke control dampers are intended for commercial premises and can be used as air inlets or for smoke and heat exhaust.
OPTONE� "Classic" 2 flaps
