Products Name: sound diffuser panel Diffuser acoustic panel ? A very popular acoustic system for walls or ceiling panels. The design and acoustic for each project can be fully attuned by choosing from a wide variety of colours. ? Thickness 100mm/130m150mm ? Width 600/1220mm ? Length 600/1200mm ? Other sizes as requested Feature ? 1.Unique decrative effect ? 2.High sound absorption coefficient ? 3.Fireproof grade B1 ? 4.Easy Construction ? 5.Demountable and Fixable ? 6.Nontoxic. ? ? Can be used in Auditoriums,Multi Purpose Halls,Universities,Cinemas,Exhibtion Halls,Music Halls,Civic Centers,Lecture Halls, Exhibition Centers, Reception Halls, Libraries,Shools,Hospitals,Club House,Audio Rooms, Shopping centers,Offices,Sales Counters, Hotels,Restaurants.Sport Halls. ??? ?