Vent types B201-B204

The orifices of B201 ÷ B204 series are made of anodized aluminum with internal independently adjustable curved blades with possibility of wind direction to one, two, three or four directions. They are suitable for installation on the roof and have the potential of directing the air parallel or not to the roof. Recommended for heating and cooling with low ceiling rooms.In all series a septum can be adjusted for air flow supplying (indicating "D" in the type of the orifice).