Capacity : 18 CFM to 17,500 CFM

  Vacuum : 25" Hg. To 29" Hg.

  Capacity : 3 CFM to 2100 CFM

  Vacuum : 27" Hg. To 29.5" Hg.

  Capacity : 15 CFM to 700 CFM

  Vacuum : 27" Hg.