Ace Glass 9592-37 Flask Round Bottom 10mL 14/10 with Side Neck

Microscale, single-neck, round-bottom reaction flask with outer joint externally threaded to allow an O-RING-CAP-SEAL connection with mating male joint. This type connection eliminates the need for clamps while offering the positive leak-tight seal of ground glass. Supplied with threaded cap with hole, one PTFE-faced silicone rubber septum and one O-Ring. With externally threaded side port.