Crystal Fan ·CF-8025LH 80mm, Transparent blue, ultra quiet, long life.  Fan dimension 80 x 80 x 25mm  Fan speed 2000 RPM  Fan airflow 28.60 CFM  Fan air pressure 1.36mm H20  Fan life expectancy 35000 hrs  Bearing type Sleeve  Voltage 12V  Noise 22.80 dB(A)