Specifications:
  Size:134(L)x127(W)x47(H)mm
  Weight: 284g
  Noise: 0dB±10%

Specifications:
  Size:160(L)x111(W)x34(H)mm
  Weight: 216g
  Fan & Bearing : Hydraumatic
  Rated Voltage: 12V
  Rated Current: 0.20Amp
  Air Flow: 30.6CFM
  Speed: 2000RPM±10%
  Noise: 18dB±10%

Specifications:
  Size:160(L)x92(W)x35(H)mm
  Weight: 175g
  Noise: 0dB±10%

Specifications:
  Size:160(L)x111(W)x34(H)mm
  Weight: 242g
  Fan & Bearing :Hydraumatic
  Rated Voltage: 12V
  Rated Current: 0.26Amp
  Air Flow: 19.2~36.7CFM
  Speed: 1300~2500RPM±10%
  Noise: 17~28dB±10%