Manual window opener for skylights, roof windows and top hinged windows.

Easy and quick installation on wood, metal and PVC windows.

The CAT chain actuator can be equipped with a handle for installation on windowsill or eyelet for operation by crank handle for skylights or roof windows.

Maximum opening approx. 280 mm. It is possible to stop the sash in any position.

Allows window operation without remove any insect screen.

When closed it is not possible to open the window from outside.

Smooth and easy operation.

Quick release system for easy window cleaning.

Suitable for windows with more than 300 mm height.