• qa-6

    With parallel sidearms/or with right side arm slightly higher.

  • qa-7

    With parallel sidearms/or with right side arm slightly higher, but with a #7 threaded top for use with a partial immersion thermometer. Supplied with bushing and o-ring.

  • qa-8

    With 2 mm stopcock and PTFE plug

  • qa-9

    Top of side tube has a #7 thread with bushing. Take off tube has an inner drip tip the same size as joints.