| Model series | Scienza-Add |
| Description | Gas-level column |
| Model | 388 |
| ID | 29185 |
| Height | 9 cm |
| Weight | 1.6 kg |
With 2 gas plug couplings (arranged in V-shape), plug connections close automatically, height 90 mm (height without rotary knob), incl. 1 m connection hose.
Changes and errors reserved. Illustrations similar.