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Hi, what happens when all the fan stop and there is still fresh air coming from outside in an unducted plenum with return duct Installation to the plenum? Will there be unfiltered air going through the Return duct to the cleanroom?
Hi, what happens when all the fan stop and there is still fresh air coming from outside in an unducted plenum with return duct Installation to the plenum?
Will there be unfiltered air going through the Return duct to the cleanroom?