Product Information
Made from 100%  non-toxic  Medical-PVC material.  
Corning Silicone.
Transparent , soft and smooth..  
High volume cuff provides positive tracheal wall seal.

Package  Information         
       Numbers
 4.0 – 4,5 – 5.0 – 5,5 – 6.0 – 6.5 –
 7.0- 7.5 – 8.0- 8.5 – 9.0