An air scrubber is “a very, very powerful, industry-level air purifier,” said Zhao, which is the kind of large device that is used in “factories, hospitals, warehouses, or military settings.” Air scrubbers use technologies similar to those of home air purifiers, but on an industrial ...
OPERATING INSTRUCTIONS Air scrubberWarning The machine should be turned off at the switch before releasing the power lead from the wall outlet. If the switch is in the on position, a spark can occur between the contact on the power lead contact....