Size: 138(L)x138(W)x66(H)mm
Weight: 733g
Fan Type: 2 balls
Voltage: 12V
Current: 0.35Amp
Fan Output: 53.5—78.5CFM
Fan Speed: 1100—2200RPM±10%
Noise: 15—25dB±10%

IIRC it has 120fins, 60 on each side.

I'm going to bring some back from Hong Kong as souvenir

Also price check for

and similar AlCu and Al version.