Is a window made in serial production only in standard dimensions. The customer benefits are that this window is the least expensive, generally in stock and can be finally painted in the desired colour by the customer.

Is the basic window model with a 68mm profile which with its form and characteristics satisfies the customers looking for simple and rational solutions.

Is an upgrade of the basic window model with a built-in three-layer glass contributing to the thermal insulation of the entire window.

Is a window that corresponds to all the criteria of a passive window and satisfies even the more demanding customers. With the profile width and appropriate glazing and sealing it achieves the thermal insulation also below 0.8W/m2K and is therefore also suitable for the installation in passive and low-energy houses.