I'm sure it is not cheap, but has to be cheaper then a full blown clean room. It is just a curiosity thing at this point. But it would be used for working on hard drives.
pick up a copy or gpo online to semiconductor magazine- it's and insustry rag that has adds for all manner of things used in clean room type settings. I have even seen ads for real small clean rooms but as said above I would bet they spendy.
good luck
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