I have a tube with an inline fan moving 100 cfm (cubic feet per minute). If I add an additional fan in the same tube capable of moving 100 cfm, what would happen? Would I increase my cfm to 200? Would my cfm stay the same? Would my cfm increase slightly?

  • $\begingroup$ So you have a setup with two fans inline with each other? Or two inputs into one tube, each input with an inline fan? $\endgroup$
    – Jon Custer
    Jan 25 at 15:27
  • $\begingroup$ My setup is one tube with two fans inline in the same tube. $\endgroup$
    – Geo
    Jan 25 at 16:47


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