Comparison : Item # AX12B004-B190-1SP-02, AX12B004-B190 Series ≤ 4 Ampere (A) Current and 324 Cubic Feet Per Minute (ft³/min) Airflow (Q) Straight Blade Design Brushed Direct Current (DC) Axial Fan
Item # AX12B004-S190-1SP-02, AX12B004-S190 Series ≤ 5 Ampere (A) Current and 353 Cubic Feet Per Minute (ft³/min) Airflow (Q) Straight Blade Design Brushed Direct Current (DC) Axial Fan
Item # AX24B004-B190-1SP-02, AX24B004-B190 Series ≤ 2 Ampere (A) Current and 359 Cubic Feet Per Minute (ft³/min) Airflow (Q) Straight Blade Design Brushed Direct Current (DC) Axial Fan
Item # AX24B004-S190-1SP-02, AX24B004-S190 Series ≤ 3 Ampere (A) Current and 359 Cubic Feet Per Minute (ft³/min) Airflow (Q) Straight Blade Design Brushed Direct Current (DC) Axial Fan