18mm to 18mm Adapter

The 18mm to 14mm glass adapter is used to quickly change your joint size for compatibility with other attachments. This 18mm male to 14mm female ad...

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 ...