Vacuum 3-Way Flow Control Adapter, PTFE Stopcock

Available in three sizes: 14/20 Joint; 19/22 Joint; 24/40 Joint 3-Way flow-control adapter with premium PTFE stopcock. Borosilicate glass, heavy duty, reusable & high quality. Commonly used to regulate the flow of gases or liquids into reaction systems. StonyLab ensures high quality products and premium customer service. ASIN: B07YTHXY2G, B07YTN3D6S, B07SW9RWMC