Comparison : Item # AX12BL004C-B255-1SP-02, AX12BL004C-B255 Series 7.0 Ampere (A) Current and 883 Cubic Feet Per Minute (ft³/min) Airflow (Q) Straight Blade Design Brushless Direct Current (DC) Axial Fan
Item # AX12BL004C-B225-2SP-02, AX12BL004C-B225 Series 5.9 Ampere (A) Current and 647 Cubic Feet Per Minute (ft³/min) Airflow (Q) Straight Blade Design Brushless Direct Current (DC) Axial Fan
Item # AX12BL004C-B255-VSP-02, AX12BL004C-B255 Series 8.0 Ampere (A) Current and 912 Cubic Feet Per Minute (ft³/min) Airflow (Q) Straight Blade Design Brushless Direct Current (DC) Axial Fan
Item # AX12BL004C-S255-1SP-04, AX12BL004C-S255 Series 4.0 Ampere (A) Current and 589 Cubic Feet Per Minute (ft³/min) Airflow (Q) Straight Blade Design Brushless Direct Current (DC) Axial Fan
Item # AX12BL004C-S280-2SP-02, AX12BL004C-S280 Series 10.0 Ampere (A) Current and 1295 Cubic Feet Per Minute (ft³/min) Airflow (Q) Straight Blade Design Brushless Direct Current (DC) Axial Fan