Precooler 18,8

Precoolers for bongs with joint size of 18.8mm. The connection size of 18.8mm relates to the respective part of the bong, which means the ground joint where you insert the precooler. Please note that there are also other pre-coolers with adapter joints, such as for example 18.8mm to 14.5mm - the exact data can be found in the product characteristics or the item description.

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