Built a plasma table plume filter out of two stove-range hoods. Added 5, 20inch LED strip lights. The light switches and Fan speed control switches on each hood are wired in parallel to it can be controlled from opposite sides. I used a 20x20 inch combo HEPA and charcoal (odor control) filter. Honestly, the water table captures almost all of it, but I figure if I ever cut some exotic metal then I will for sure use the plume hood.
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Nothing beats total exhaust out of your work area (outside)
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Being a professional iconoclast, I have to disagree. Exhaust to outside requires replenishment air to come in from the outside. If its f—ing cold outside, that isn’t such a great idea. Organic filtration of inside air is ideal.
EDIT: @Sticks If you had left off the parenthetical ‘(outside)’ then I could agree with you. Definitely getting the bad air out of the work area is criteria #1.
PS: @Bigdaddy2166 got a new word two new words for you…
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Are you old enough to be described by the origin of the word… or do you fall under the more current definition? 
“originally referring to someone who destroys religious images”
I suppose Moses was the was the godfather of original iconoclasts when he came down from the mount and destroyed the golden calf?
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@72Pony Erik, thanks for looking up the word of the week for me. You saved me a trip down Google lane. @TomWS Has increased my vocabulary to the next level over the past 5 years. I swear he reads a Threussarus on the can. 
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I’m old, but not that old… 
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Finished installing my Filter/plume hood. I used two Stove Range hoods, and added LED strip lights. The airflow goes out through a Hepa-filter with charcoal to eliminate orders. For regular steel the water table catches most of the fumes, I figured if I have a long running cut, or some kind of more exotic metal that I can run the filter.
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Poppabear, that’s a lot of stuff packed into that building. Just kidding. Organizational chaos like my shop. Vent system looks great. I have an exhaust fan in the wall above the table, but I dwell on all the fumes I’m breathing in while cutting stainless steel, chromium, and aluminum. At 70, I probably don’t have many left, I think to myself.
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