This adapter is threaded at both ends and on side joint.

• #7 Ace-Thred joints at top and side
• One silicone rubber septa included
• Fabricated from borosilicate glass

The #7 Ace-Thred joints at top and side are each supplied with a nylon bushing and FETFE o-ring. One silicone rubber septa is also included. Size listed also refers to the I.D. of the tubing above the lower thread, and this corresponds to the column diameter.