Can be locked in the ventilation position. To operate, push the red locking plate until you hear a click.

In side-hinged and side-guided opening functions, the restrictor is installed at the jamb. In top-hung fully reversible functions, it is installed at the cill.

Features:

- Includes child proof sash part

- Comes with ventilation function

- Limits window opening to 5-10cm

- Corrosion-proof zinc-aluminium surface

- Used for the VELFAC 200 window

- Can be fitted to timber windows