The replacement bottle spare part for bottom loading water dispensers is the part which you place inside of the bottle in the bottom loading cooler and its upper rubber part of the replacement part secures the bottle. The diameter of the upper elastic part (barrel) is 5cm and due to its elasticity there is room for a smaller or larger diameter, while the height of the tube is 44cm.
The outlet of the accessory is compatible with a 1/4″ tube.
In order for the accessory to be connected to the pump, you should have available a 1/4″ tube, 1/4″ quick-release connectors as well as a 1/4″ fitting safety clip.

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