World premiere - Technical innovation meets design! The ACE Metro is compact, stylish, and above all, exceptionally precise! This mouthpiece is suitable for CA2000, ACE3000, AL5000, AL6000, AL7000 (ACE I), AL9000 (ACE II), and other devices from the ACE-2000, 3000, 5000, 6000, 7000, 9000 series as well as the Y-series. Individually packaged, with a backflow prevention feature. Main features: Technical details, Product color: White, Screen: Built-in display: No.