Wherever individual parts of a hookah are put together or on top of each other, gaskets are needed to maintain a trouble-free, easy draw. The right seals are elementary for hookahs, because a hookah that does not draw properly is no fun.
Some hookah models with screw connections need an additional seal. For example, hookahs with replaceable glass shafts live from their sealing rings.
In most cases, O-rings are needed to ensure that a base or adapter is really air tight. Only in exceptional cases are special seals needed for certain accessories. These can be, for example, rubber seals for tobacco bowls or bottle seals for plug hookahs.
When buying a seal for a classic hookah with a plug connection, you should always pay attention to the condition of the plug connection for which the seal is needed: