This Hammarlund HQ-180 Cabinet has an air filter and Cooling Fan added to the top hatch.
It is a quiet fan with filter. The modification was done very well and looks professional.
The filter can be removed and cleaned.
The cabinet is very clean and In excellent Condition, with a small rub mark on the side.
This is a great find if you need a Cabinet for any of the HQ series like the HQ-160, 170 etc.