18mm to 14mm Glass Converter

This adapter is designed to change your male joint to a female joint for use with other male attachments. Made from 3mm thick quality borosilicate ...

This adapter is made from quality 3mm thick borosilicate glass and designed to quickly change your joint. One side features an 14mm male joint and...

This quality made adapter features a 14mm male joint on each side. It will fit into any 14mm female joint for use with your favorite bowls, ash cat...

This glass joint converter can be used to change your bong joint size for use with other attachments. A 10mm male joint is on one side and a 14mm f...

This high-quality adapter is made from 3mm thick borosilicate glass and designed to seamlessly change your piece's joint with ease. One side featu...