The Yeah Racing 30x30mm Aluminum Case Booster Fan has been updated with a full aluminum booster case, increasing the air flow directed into the fan. Plus, when mounted on a fan mount or ESC, the large surface area of the aluminum will act as a heatsink as well.
For: ESC / Heatsink / Motor
Mounting Holes: 30 x 30mm
Bearing: Dual Ball Bearing
Max Voltage: 8.4V
Fan Speed: 14000 R.P.M (±20%) at 25℃, after 3 min. rotating.
Wire Length: 255mm
what's nice about this robust case it can be tapped (drilled) and die, thus is the fan mount.
purchase two they're small HA!