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Changes to Step #27

Edit by Guy Kuo

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[title] Condensation? Use F.R.E.D.
[* black] With correct combination of blower fan and output flutter valves, flow through PAPR is 20 to 3035 L/min. In that flow range, there should be little to no fogging during non-strenuous activity.
[* black] With correct combination of blower fan and output flutter valves, flow through PAPR is 20 to 3035 L/min. In that flow range, there should be little to no fogging during non-strenuous activity.
[* icon_note] Most common cause of fogging is incomplete fenestration of bag penetrations. Check that filter and expiratory penetrations through bag are fully open.
[* black] Applying F.R.E.D. defogger to inside of window is helpful if you still find fogging to be an issue.