1238-4A
SIZE: 148×148×38
Max Airflow: 84~100CFM
SZ200
SIZE: ∮245×80
Max Airflow:  530~600CFM

SZ250
SIZE: ∮290×80
Max Airflow: 1090~1130CFM
300FZY
SIZE: ∮340×100
Max Airflow: 30~60m3/h

SZ185
SIZE: ∮185×56
Max Airflow: 420~470CFM
SZ220
SIZE: ∮218×67
Max Airflow: 760~800CFM

SZ150
SIZE: ∮132×55
Max Airflow: 245~280CFM