Mounts on two feet or with 3 holes on the back.  Fits: V-56, VF-56, V-63, V-80, V-81, V-83, 6-Case Verticals, v-77, VF-77,VMC-77,  V-90, VF-90, VMC-88, Jacobs J-50, J-56 late V-39 and so many more...  Note:  for late V-39 with square evaporators.