Vent Components have a coefficient
of discharge and a texture (used
to represent a vent in the rendered view).
There are two tabs on the Vents dialog:
Vent component data can be accessed:
from the Components tab on the opening screen (to view/edit library components if no file is open),
from the Components tab in the Navigator panel (to view/edit model components if a file is open),
by double-clicking on the vent icon on the Openings tab in the model data,
by clicking on the Edit button when selecting vents from a list.