The ornamental design for (1) connecting element for coupling a dentist's drill and hoses with cooling water and compressed air as well as (2) and (3) accessories therefor, as shown and described.
FIG. 1 shows a connecting element for coupling a dentist's drill and hoses
with cooling water and compressed air.
FIG. 2 shows an accessory therefor without light source.
FIG. 3 shows an accessory therefor with light source.