Classification Information
Filters, filter media and filter elements, and associated masks, respirators, and respiratory apparatus, other than for artificial respiration; replaceable filters, replaceable filter media and replaceable filter elements, and associated masks, respirators, and respiratory apparatus, other than for artificial respiration; filters, filter media and filter elements, for filtering airborne pollutants, and associated non-medical masks, non-medical respirators, and non-medical respiratory apparatus; replaceable filters, replaceable filter media and replaceable filter elements, for filtering airborne pollutants, and associated non-medical masks, non-medical respirators, and non-medical respiratory apparatus
Electrical and Scientific Apparatus