Responsive Respiratory - High Flow Ultra Soft Adult Cannula is a high flow design cannula for use with LPM flow rates of 6 or higher. These ultra soft adult cannula's offer a flex-soft fit that helps reduce irritation behind the ears. The curved nasal prongs provide a more natural fit and it sports a Bolo style slide for patient adjustment. Ideal for use with all regulators and single lumen conservers (single stem style). Latex free. Color of material: Clear. Length: 7'. Each. Case of 25.