Shiley Phonate Speaking Valve With Oxygen Port, Each (SSVO)A tracheostomy tube profoundly limits a patients ability to communicate. The Shiley speaking valve is helping transform the lives of patients by restoring their voice. 1 The Shiley speaking valve fits on the universal 15 mm tracheostomy tube connector and redirects airflow through the vocal cords, nose, and mouth to deliver the power to speak. Features Latex free Available with or without a supplemental oxygen port and cap Lightweight materials and