PURE ADAPTER

Apparatus, namely, an adapter comprised of tubing connectors and threaded connectors for connecting a fit testing device to protective industrial respirators; apparatus comprised of a threaded end cap, valve connector, diaphragm, and filter adapted for connecting a fit testing device to protective industrial respirators

Apparatus, namely, an adapter comprised of tubing connectors and threaded connectors for connecting a fit testing device to protective medical respirators; apparatus comprised of a threaded end cap, valve connector, diaphragm, and filter adapted for connecting a fit testing device to protective medical respirators