Alessi Mouthpiece Specs *

Series 1
Cup diameter: 1.060" (largest)
Series 3
Cup diameter: 1.0495" (corresponds with Bach 3 cup diameter) **
Series 5
Cup diameter: 1.0245" (corresponds with Bach 4 cup diameter) **
Series 7
Cup diameter: 1.004" (corresponds wth Bach 5 cup diameter) ***

* The 1, 3, and 5 series correspond exactly to previous Alessi models.
** Although numbers may be different from other web sites, dimensions are consistent with previous line.
*** New size in Alessi series (not previously available).

Each series (1, 3, 5 or 7) currently has four models (A, B, C, D, E or F*) with identical cup diameters and rim shapes. The differences between the mouthpieces in each series are in the cup depths and throat dimensions.