Quick view View Item Glass Vacuum Port With PTFE Valve For Ai Rotary Evaporators Glass Vacuum Port With PTFE Valve For Ai Rotary Evaporators High quality glass vacuum port with PTFE open/close valve for Ai SolventVap series rotary evaporators. Glass material: high borosilicate glass 3.3. Weight: 5.00 LBS View Item Quick view Qty in Cart: 0 Price: Subtotal: