Grav Flushmount Joint Size Adapter - Converts 18mm Female to 14mm Female

The Grav Flushmount Adapter was designed to decrease the joint size on your favorite glass bong or water pipe while using minimal space. This adapter changes an 18mm female joint into a smaller 14mm female joint. This straight adapter from Grav is made with premium borosilicate glass and features an 18mm male joint on the bottom while accepting 14mm bowls, bangers, or other glass water pipe accessories on top. You can also use this adapter upside-down to convert a 14mm male joint into a 18mm male connection!

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