Axial Fans: Type - DC Tubeaxial Fan; Voltage - Nominal - 24V DC; Air Flow - 140 CFM; Size - LxW - 127 x 127 mm (5.00 x 5.00"); Size - Depth - 38 mm (1.50"); Noise Level - dB - 46 dB; Bearing - Ball Bearing; Termination Type - Wire Lead; Material - Housing - Nonmetallic; Material - Impeller - Nonmetallic; Temperature Max - 75 deg C (167 deg F); Temperature Min - -20 deg C (-4 deg F); Voltage Range - 12-24V DC; Current Draw - 0.43A; Motor - Brushless; Additional Information - 3000 RPM; Manufacturer Series - OD127AP Series