Nice. Old B&M shop cabinet?
If heat is an issue with the lights, you can always go to LED.
Moist-n-Aires work fine, you just need an external hygrometer to set them as the dial numbers can be deceiving. Depending how long it was in use & sat, you might want to pull the top and look inside the tank for any growth and check the float. The company is very good about replacement parts (if needed) too.