EC Series Size AxBxC IP Rating Max Airflow Features SE280AN 280x90mm / 11x3.5inch IP44 1140 CFM EC MOTOR SE254AP 254X89mm / 10x3.5inch IP44 830 CFM EC MOTOR SE205AP 206x206x72.5mm / 8.1x2.8inch IP44 630 CFM EC MOTOR SE200AP 202x202x60.5mm / 7.9x2.4inch IP44 500 CFM EC MOTOR SE172SAP 171x151x51.6mm / 6.7x2inch IP68 360 CFM EC MOTOR SE172SAP (MS) 172x152x51.6mm / 6.7x2inch IP68 220 CFM EC MOTOR SE1238PT (E) 119x119x38mm / 4.7x1.5inch IP67 105 CFM EC MOTOR (Economical) SE1238PT 120x120x38mm / 4.7x1.5inch IP68 133 CFM EC MOTOR SE1225PT 120x120x25mm / 4.7x1inch IP44 80 CFM EC MOTOR SE938PT (MS) 92x92x38mm / 3.6x1.5inch IP44 86 CFM EC MOTOR SE938PT 92x92x38mm / 3.6x1.5inch IP44 85 CFM EC MOTOR SE932PT 92x92x32mm / 3.6x1.25inch IP44 58 CFM EC MOTOR SE925PT (MS) 92x92x25.2mm / 3.6x1inch IP55, 68 56 CFM EC MOTOR SE925PT 92x92x25mm / 3.6x1inch IP44 56 CFM EC MOTOR SE838PT (MS) 80x80x38mm / 3.1x1.5inch IP55, 68 60 CFM EC MOTOR SE838PT 80x80x38mm / 3.1x1.5inch IP44 60 CFM EC MOTOR SE825PT (MS) 80x80x25mm / 3x1inch IP55, 68 42 CFM EC MOTOR SE825PT 80x80x25mm / 3x1inch IP44 42 CFM EC MOTOR