Survivair face-mounted powered air purifying respirator. Large.
Survivair Industrial Respirator Masks for sale | eBay
Intech Equipment and Supply - large survivair opti-fit convertible apr/papr/cf-sar, full face respirator - front port nozzle, mesh head net, large s-series
Survivair Opti-Fit Helmet with Headnet Full Facepiece | Industry Update Manufacturing Media