-Maximum light reduction
-Low air resistance
-Build-in or build-up
-With galvanized or plastic housing
Available dimensions
Width - 200-2000 mm - In steps of 1 mm
Height - 200-2000 mm - In steps of 1 mm
Depth - 155 or 150-500 mm - In steps of 25 mm
Diameter for chimney - 645-920 mm - ø645/ø730/ø820/ø920 mm