Oneida Air Systems 2 HP Commercial Cyclonic Dust Collector Owner's Manual page 7

V. General Tube Filter Layout Dimensions
2hp Cyclone
with Fan
External Filter
Plenum 39”
2 HP Cyclonic Wood Dust Collector Owner’s Manual
Plenum can go to the right or left of the cyclone.
Many configurations are possible.
External Filter
Plenum 62”
O.A.S. 2004
Outlet can be rotated and
oriented independent of inlet.