E-LO/STAR: Composed of a linear grille type E-LO/B and an E-STAR diffuser. On the grille's plane, you can see the indicated dimensions of the opening that needs to be made in the wall. Since the frame of this grille is very narrow, it is important to adhere to the specified dimensions. This grille model will always be supplied with a mountable frame E-MAEM with special measurements.