Pass-Through Adapter 14=>14mm 18=>18mm

Pass-Through Adapter 14=>14mm 18=>18mm Pass-through glass adapter with a 10mm Female split. Available in 14mm male to 14mm female, 18mm female to 18mm male. Most commonly used as a carb to clear your glass piece without having to remove the setup from the bowl, it can also be used in other applications including a splitter adapter or simply to introduce added fresh air.