Disposable and elastomeric, half-facepiece, air-purifying
respirators
Powered air-purifying respirators with hood, helmet, or
loose-fitting facepiece and continuous-flow, supplied-air respirators
with hood or helmet
Air-purifying, full-facepiece respirators; powered air-purifying
respirators with half-facepiece or full facepiece; and
continuous-flow,supplied-air respirators with half-facepiece or full
facepiece
Pressure-demand, supplied-air respirators with full facepiece
Pressure-demand, self-contained breathing apparatuses (SCBA) and
combination pressure-demand, supplied-air respirators with auxiliary
SCBA