FRESH 90dB wall vent complete white/white
Wall pass-through set complete, lockable and infinitely adjustable on the inside. This set provides a sound reduction of 40 dB with a normal wall thickness of 40cm. The drill hole is sealed on the inside and outside with a cover plate of 210x210mm.
Size of outer grille 140 x 140mm.
Size of inner grille 150 x 150mm.
Drill diameter ø150 mm.