Unit turns on,  some dials and switches appear to work correctly, but others don't appear to make any difference.

Sliding Syringe arm slides correctly forward and backward.

The rapid/normal switch only works on rapid selection as far as we could tell.

Fan starts up correctly.

No further testing has been done.

Pre-owned in good cosmetic condition.

Please expect some minor scuffs and scratches from previous use.

See all the pictures to see the exact conditions of this unit.

You will receive the exact unit that is being pictured.

Carefully packaged and shipped promptly via USPS or UPS, depending on your locat