in-line fan

  1. M

    Quieter Fan? Active Air - Can Fan or Vortex?

    I have an Active Air 6" in line fan that blows 268CFM and it seems like a loud little mother. Just got it hooked up and ducted and it seems to make more noise when turned down low with a blower speed control. Its the vibration of the metal housing on the fan that's the main culprit. I've...