Vitalograph - Front Bite-on Mouthpiece Silicone (50) Medical Refrigeration Knight Imaging and they are

Knight Imaging and they are very popular

Interior of 5 drawers:  3 upper drawers: 6 x 55 x 38

The detachable dividers and elastic bands mean you can adapt the interior to suit your needs

BiLite Halogen

If the lesion is difficult to access simply remove contact plate and fit the extended small lesion plate

Vitalograph - Front Bite-on Mouthpiece Silicone (50) Medical Refrigeration Knight Imaging and they areProduct Properties Fits all Vitalograph BVF. High quality mouthpieces ergonomically designed for comfort and leak free testing. For pulmonary function testing and constructed from taste free, soft Thermolast plastic. Suitable for use with adults and children.