Adapter 18 Female to 18 Male

This glass joint adapter connects an 18mm female fitting to an 18mm male joint, letting customers flip the gender of a connection between two same-size pieces. Made from durable borosilicate glass.

Gender-conversion adapters solve a specific but common problem, letting customers combine two pieces that are the right size but the wrong orientation.

Product Highlights

• Converts 18mm female to 18mm male
• Durable borosilicate glass
• Solves gender-mismatch issues
• Compact and inexpensive
• High-frequency add-on sale

Display Idea: Label adapters clearly by function (size vs. gender conversion) so customers can self-select easily.