Round duct systems

Exhaust grille with backdraft damper

Exhaust grilles with backdraft damper are made of high-quality ABS, in the sizes corresponding to the ventilation ducts Ø100 mm, Ø125 mm and Ø150 mm.

Available in below colours:


To indicate a model in a specific color, add the letter designation of a given color to the index:
- white (no letter designation)
- brown BR
- graphite GR