Asec Window Ventilation Lock allows window to be held in an open position for ventilation. Asec Window Ventilation Lock allows window to be held in an open position for ventilation. Lock arm is connected with frame fitting to allow ventilation.

Allows window to be opened for air flow but remains locked preventing entry through window.

Asec Secure Stay for Wood Windows a simple locking device the allows a window to be held open for ventilation and child safety.

Designed specifically with child safety in mind, the Securistay restricts window opening to 75mm.