Acoustical diffusers

Acoustic board for ceilings (insulation); acoustic insulating boards; acoustic insulating materials of plastic; acoustic insulating panels; acoustic insulating panels made from non-metallic materials; acoustic screens for insulation; acoustic sheets; acoustic sheets for insulation; acoustic tiles for insulation; insulating polymeric materials for acoustic insulation; materials for acoustic insulation; plates of non-metallic materials for acoustic insulation; polyester fleece for acoustic insulation