With joint. Cotton is usually used to contain the drying agent.
| Item | Description |
| HD-A851420 | Glass Adapter, Drying Tube, U Shaped, 14/20 Standard Taper Joint |
| HD-A851922 | Glass Adapter, Drying Tube, U Shaped, 19/22 Standard Taper Joint |
| HD-A852440 | Glass Adapter, Drying Tube, U Shaped, 24/40 Standard Taper Joint |
| HD-A852942 | Glass Adapter, Drying Tube, U Shaped, 29/42 Standard Taper Joint |
With joint. Cotton is usually used to contain the drying agent.
| Item | Description |
| HD-A851420 | Glass Adapter, Drying Tube, U Shaped, 14/20 Standard Taper Joint |
| HD-A851922 | Glass Adapter, Drying Tube, U Shaped, 19/22 Standard Taper Joint |
| HD-A852440 | Glass Adapter, Drying Tube, U Shaped, 24/40 Standard Taper Joint |
| HD-A852942 | Glass Adapter, Drying Tube, U Shaped, 29/42 Standard Taper Joint |