18mm to 14mm Glass Converter

This high-quality adapter is made from thick 3mm borosilicate glass and designed to convert your 14mm male joint into a 14mm female joint for use w...

This high-quality adapter is made from thick 3mm borosilicate glass and designed to convert both joint size and gender of a piece. On one side the...

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 high-quality adapter is made from thick 3mm borosilicate glass and designed to convert any 18mm male joint into an 18mm female joint for use ...

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...