It combines high-tensile strength with superior absorbency

a convenience drain

Nu-Hope Laboratories Inc Nu-Flex™ One-piece Post-Op Pre-cut Convex Adult Drainable Pouch with Nu-Comfort™ Barrier and Closure Clamp 1-1/8" Opening Round

18" to 20-1/2" Circumference

Larger masks include clear rigid shell

Universal Inline Pressure Valve for Preventing Backflow in CPAP/BiPAP Systems Sold By:1 Each It combines high-tensile strength withRespironics 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