OXYLIFE® CPAP/BIPAP Nasal Mask Medium with Head Harness • Our silicon CPAP Nasal masks can be used for BIPAP Machines also. Cheapest and most economical CPAP nasal mask that is compatible to Resmed, Devilbiss, Respironics, Fisher & Paykel and other popular CPAP (continuous positive airway pressure) machines. • Reusable Comfy Silicon provides the maximum comfort for long hours. • Frame-less mask for the least binding but the most stability of silicone-only mask. • Double Silicon Pads softly support users’ forehead and cheeks. • Detachable Design for the forehead pads and the face mask easily removed to clean and assembled every time. • Elbow Shaped Swivel Port for OD 22 MM circuit, allows users free movement during deep sleep. • Soft Adjustable Headgear suits different sizes of users head. • Easy Strap Hook for fastening and unfastening of the headgear .This product is Non-Returnable