Universal Inline Pressure Valve for Preventing Backflow in CPAP/BiPAP Systems Thermometers Regular collars can dig into

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Universal Inline Pressure Valve for Preventing Backflow in CPAP/BiPAP Systems Thermometers Regular collars can dig intoRespironics Universal Inline Pressure Valve for Preventing Backflow in CPAP BiPAP SystemsThis Pressure Valve is a spring loaded valve that helps prevent the back flow of oxygen (O2) or water from the patient circuit into CPAP BiPAP systems when the machine is turned off. Any back flow passes out of the circuit through vents in the valve. When the CPAP BiPAP machine is operating, the valve allows air to flow normally through the patient circuit but