Comparison : Item # RTAF-12-1A, 2,500 Cubic Feet Per Minute (ft³/min) Maximum Flow Tube Axial Fan
Item # RTAF-12-1.5A, 2,700 Cubic Feet Per Minute (ft³/min) Maximum Flow Tube Axial Fan
Item # RTAF-16-1.5A, 4,000 Cubic Feet Per Minute (ft³/min) Maximum Flow Tube Axial Fan
Item # RTAF-16-2A, 5,000 Cubic Feet Per Minute (ft³/min) Maximum Flow Tube Axial Fan
Item # RTAF-16-3A, 6,000 Cubic Feet Per Minute (ft³/min) Maximum Flow Tube Axial Fan