PTFE inner plug fits both the 1 ml and 2 ml outer tubes.

Tube has an O.D. of 3 MM with plain ends for insertion into adapter and 0.1 ml collection vial.

Used in conjunction with QMS-30, for collecting and sampling gases. Open bottom with 3 ml and 4 ml graduation. Joint size is 14/10. Supplied complete with holed cap, septum, and o-ring.

With one -13-425 thread