Manufacturing and sale of HEPA-filter facial respirators for non-medical use for privacy and protection against viruses and other environmental hazards; face protection shields and visors; replacement filters for respirators
Electrical and Scientific ApparatusPersonal protective equipment (PPE), namely, masks for medical use; personal protective equipment (PPE), namely, face shields for medical use; respiratory masks for artificial respiration for medical use; apparatus for artificial respiration, namely, powered air-purifying respirators for medical use
Environmental Control Apparatus