A trickle vent is simply a slot is cut in the window and a vent cover is placed on both sides of it. The airflow created through this vent can be adjusted through a valve.
Contact a member of staff to check availability
Greenwood’s trickle vents are open and close in a direct manner.
Can be adjusted to change the direction of airflow.
Leave your projects details, and one of our team will reach out to answer any questions you may have