- Blue centrifugal blower/fan with electric motor at left-center (label "EF-1" on housing).
- Inlet/outlet ductwork: white insulated ducts overhead, green flexible connector at blower inlet.
- Large rectangular insulated duct supported on metal legs running toward right wall; several rolled posters/papers resting on top.
- Black wall-mounted vent/grille on back wall.
- Electrical panels and meters mounted on right wall.
- Wooden mobile stand on casters near right wall.
- Overhead fluorescent lights and multiple insulated pipes/pipe hangers.
- Floor shows stains/rust marks near right wall.