Helicoidal fan to be installed in walls or windows
Possibility to have a reversible motor with 5-speed adjuster
Diameter (mm): 230 / 305
Max.Airflow (m3/h): 825 / 1900
Sound pressure level(Db(A): 49 / 51
Input power (W): 45 / 90
Glass installation kit included as standart
B 23 / B 30 standart , without speed adjuster.
B 23 RA / B 30 RA model with reversible motor .