12-237 SCIENTIFIC INDUSTRIAL JOINTS - FEMALE TO FEMALE ESSENTIAL ADAPTER W/ RING 180 CLEAR 18MM FEMALE TO 14MM FEMALE

14mm-18mm Glass Bushing Adapter

12-1290 SCIENTIFIC INDUSTRIAL JOINTS - FEMALE TO MALE DROPDOWN ADAPTER CLASSIC CLEAR 14MM FEMALE TO 18MM MALE

Doradus 18mm Male To 14mm Male Clear Glass Reducer Adapter Connector

SCIENTIFIC LABORATORY SUPPLIES - 12-244 FEMALE TO FEMALE ESSENTIAL ADAPTER W/ RING 180 ASSORTED SIZES / COLORS CLEAR 14MM FEMALE TO 14MM FEMALE

Glass-100 18.8 mm Glass Bowl Male Glass Accessories

2017 New Arrival 18.8mm Joint Cheap Clear

Keck Clip 18mm Multiple Colors (Pack of 6)

Glass-100 Cheap Teal Glass Accessories Smoking Accessories