Genuine FORTIS tube
Used in the following FORTIS references:
635.10.xx, 635.22.xx, 636.10.xx, 636.22.xx, 637.10.xx, 637.22.xx, 638.10.xx, 639.10.xx, 639.22.xx, 640.10.xx, 641.10.xx, 642.22.xx, 643.10.xx, 656.10.xx, 657.10.xx
Changes have been made to these models, so please consider shape and dimensions.
Dimensions:
A = 3.5 mm
B = 2.4 mm
C = 6.1 mm