Ace Glass 9590-20 Heavy Wall Vial Conical Bottom 5mL 14/10 Outer Joint 20-400 Externally Threaded

Microscale, heavy wall reaction vial with standard taper outer joint externally threaded at opening to allow an o-ring cap seal connection with mating male joints. This connection type eliminates the need for clamps while offering the positive, leak-tight seal of ground glass joints. Vials include drilled cap with o-ring and PTFE faced liner.