This is a good exhaust fan that some folks use.
https://www.globalindustrial.com/p/h...hutter-mounted
The regulators you listed are fairly inexpensive ones that will most likely last awhile, just be sure to take the pressure off the diaphragm when done working or they will fail a lot sooner.
This is the addy for "Mountain Glass" site. It's a good place for tools, glass, regs, splitters, and a bunch of other things you may or may not need/want.
https://www.mountainglass.com/
By the way I am using LED can lights and they are very bright and I can swivel the can to adjust where the light is focused. I also mounted a 12 inch florescent light to the left side of my bench for checking the roundness of marbles and other curves.
Have fun