The 4314 from EBM Papst is DC axial fan. This is a compact fan featuring fibreglass reinforced PBT plastic housing material with 119mm x 119mm x 32mm size. Air flow is 170m³/h Noise rating is 45dBA Supply voltage is 24VDC Power (Watts) 5.00W RPM 2800 RPM Operating Temperature -4 ~ 167°F (-20 ~ 75°C) Ball and sleeve bearings available Electronic commutation completely integrated Protected against reverse polarity and locking Connection through single strand 22AWG wire, TR 64, bared and tin plated Air exhaust over bars, rotational direction is clockwise looking at rotor