Fan 40x40x20mm 12 Volt DC Brushless Tubeaxial 7.7 CFM Specifications Voltage: 12 volts DC Size (W x H x D): 40 mm X 40 mm X 20 mm Air flow: 7.7 CFM Bearing type: Vapo Current: 50 mA (0.05 A) Power: 0.6 watts Agency approvals: UL, CUL, TUV Noise: 21 dBA Connections: (3) 3" with connector (speed sensor)