DucoGrille Acoustic 75 Z and DucoGrille Acoustic 75 L are recessed mounted louvre grilles with sound absorbing blades. The special blade shape has been designed for two applications: Z and L. The blades are provided with non flammable mineral wool for acoustic performance. The aluminium blades are directly "clicked" onto plastic blade holders.
DucoGrille Acoustic G 75Z & G 75L are sound-absorbing recessed wall
louvres manufactured from extruded aluminium sections. One type of
louvre blade offers the option of two different looks: Z and L. The louvre
blades have sound-absorbing, non-flammable mineral wool inside.