Dip tube is about 65mmmm long.
Ribbed cap and overcap. Overcap is light grey (smoky) colour.
Fits all our bottles with 18mm neck except glass bottles 100mL size
50mL 30ml 25mL 15mL 10ml 5mL. and plastic PET bottle 30mL
dip tube will need trimming to fit the other sizes
When screwing onto a glass bottle the skirt must be screwed tight - and must be screwed one more rotation once the wide part of the bottle neck is reached. You will see a slight splaying of the bottom of the skirt as you force this last rotation.