Carefusion Corporation 001800 AirLife

"The reusable BE 131 One-Way Valve is designed for use in any breathing circuit or ventilatory system where ""back flow"" must be avoided. It is designed to prevent the flow of gas back toward the source.The device includes a silicone rubber connector with 22mm I.D. Inlet."

"The reusable BE 130-22B One-Way Valve is designed for use in any breathing circuit or ventilatory system where ""back flow"" must be avoided. It is designed to prevent the flow of gas back toward the source."

"The reusable BE 130-23BB One-Way Valve is designed for use in any breathing circuit or ventilatory system where ""back flow"" must be avoided. It is designed to prevent the flow of gas back toward the source."

Rescuer disposable CPR mask with oxygen inlet, head strap and one way valve

Disposable CPR Faceshield with one way valve, placed in a pouch with nitrile gloves and cleaning wipe