Fitted with a round connecting flange for mounting with Ø150 mm air duct.
Equipped with a movable flap for air flow regulation.
Air pass is regulated with a tilt wand or pull cords.
Suitable for direct mounting with VENTS VKO 150 fan.
MV 250/150 VRs - model with a round flange, air flow regulator and a protecting insect screen.