18/14 Ground Joint Reducer Adapter - Empire Glassworks

The 18/14 Ground Joint Reducer Adapter by Empire Glassworks is a precision glass accessory designed to increase compatibility across your glass setup. This reducer allows you to convert an 18.8mm female joint down to a 14.5mm female joint, making it easy to use smaller bowls, bangers, or accessories without changing your primary piece.

Crafted from durable borosilicate glass, this adapter offers a secure, reliable fit while maintaining smooth airflow through the joint. The frosted ground joint finish provides proper seating, while the etched Empire Glassworks emblem adds a subtle branded detail that reflects quality craftsmanship.

Compact and lightweight, this reducer is an essential utility item for collectors and daily users alike. Whether used as a permanent solution or kept on hand for flexibility, it delivers dependable performance in a clean, minimal design.

Features

• Borosilicate glass construction

• Converts 18.8mm female joint to 14.5mm female joint

• Frosted ground joint finish

• Etched Empire Glassworks emblem

• Compact and lightweight utility design

Dimensions

• Height: 1.25 inches

• Width: 1.0 inch

• Weight: 7 grams