... sizes 2.Eco-friendly ,E1, 3.Excellent acoustic performance 4.Perfect decoration Materials Introduced :Mantex Wooden ... walls,as door panels or as ceiling.The design and acoustic for each project can be fully ... in many sizes Eco-friendly ,E1, Excellent acoustic performancePerfect decorationCan be used inAuditoriums,Multi Purpose Halls, ... Sport Halls.Details:Projects Wooden Sound Acoustic Ceiling Board