Electrix Tecnologie Sbarrafuoco® Srl (ETS®), proudly presents the new grill EF Grille. ”EF Grille” is a stout certified grid that allows the airing of fireproof rooms. It measures 215x260x40 mm. It has to be double installed, opposite to border of both sides of the wall. The system is certified on plasterboard wall of 125 mm …