http://www.svc.com/u8025.html
Fan Dimension R80: 80 x 80 x 25 mm
Fan Speed R80: 1,800 ~ 3,800 R.P.M.
Air flow R80: 53.499 CFM
Air pressure R80: 8.658 mm-H2O
Fan Noise R80: 24.4 ~37.9 dBA
Fan Bearing Type Long life sleeve bearing
$1.49
If the cfm and dba is accurate, this seems to be a killer deal.