• Flexible, contoured lip tab provides a high level of patient comfort. • Over-the-ear design provides a comfortable and secure fit. • Standard (nonflared) nasal tips. • STAR LUMEN tubing is kink and crush resistant. The popular Hudson RCI over-the-ear style cannula which has set the industry standard for decades is cost effective and offered in a wide range of configurations. Available with standard or universal connector and standard or crush-proof STAR LUMEN tubing in a variety of lengths.