SJ1232 SIZE: ∮125×32 Max Airflow: 34.6CFM	SG130 SIZE: ∮290×75.9 Max Airflow: 156~330CFM
SJ18092 SIZE: ∮197×62.5 Max Airflow: 1040CFM	SG160 SIZE: ∮245×66.4 Max Airflow: 480CFM
SG190 SIZE: ∮185×56 Max Airflow: 0000~0000CFM