60 x 77mm Rotating Panel Vent

This vent will bolt into a 55mm diameter hole in a panel or plenum with two 4mm holes at 63mm centres.

The rotating part opens the air flow from closed to 50% over twelve selectable stages. 

Front projection 10mm. 

Rear projection 10mm

Weight 20gms. 

60mm x 77mm DIAMETER ROTATING PANEL VENT #VENT20