GREAT DESIGN: Made of flexible polymers, 6-foot Universal CPAP Tubing delivers a uniform breathing between your CPAP mask and device.COMPATIBLE: for Universal CPAP Tubing is compatible with for , for , for , and most for CPAP, for BiPAP, and for Bi-level device LONG-LASTING SEAL: CPAP Hose is equipped with standard 22mm Rubber Connectors on both ends, designed to a long-lasting seal and air leaks.OPTIMAL FLOW: With unrestricted smooth interior walls and great rubber connectors, it delivers maximum flexibility, and uninterrupted airflow, and promotes easy cleaning.MOBILITY AND COMFORT: 6 feet in length, it provides ample distance and hose flexibility to increase and body mobility in bed.Colour:Photo ColorMaterial:plasticPackage Contents:2 x CPAP Hose2 x Cleaning brushOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.