UP TO 90 DEGREES OPENING thanks to a flexible chain, allowing a wide opening angle according to the window size.

The need to increase the opening angle of many currently manufactured vents is becoming very important to increase the flow of fresh air for natural ventilation and smoke and heat extraction for life safety.High narrow opening windows are becoming very popular and are implemented into the façade panel, as well as small bottom hinged windows, opening inward, with maximized opening angle.

• Flexible chain in stainless steel.

• Suitable for bottom and side hung windows, inwards opening, with pivoting hinges.