G78 heat insulation double window and casement window series
G80C heat-insulated horizontal pivoting window series
G88A heat-insulated horizontal pivoting window series with screen
G135A heat-insulated horizontal pivoting window series with screen
G108 heat-insulated horizontal pivoting window series with screen
GD65 heat-insulated horizontal pivoting window series
GD115 heat-insulated horizontal pivoting window series with integrated screen