24 Volt DC 40x40x10 mm Brushless Tubeaxial Fan Specifications Voltage: 24 volts DC Size (W x H x D): 40 mm X 40 mm X 10 mm Air flow: 6.7 CFM Bearing type: Ball Current: 90 mA Power: 2.16 watts Agency approvals: UL, cUL, TUV, CE Noise: 26 dBA Connections: 12" leads