| Specification | Double Selection | Triple Selection | Four Selection |
|---|---|---|---|
| Canisters | 2 | 3 | 4 |
| Selection Key | 4 | 6 | 6 |
| Storage Tank litres | 2 | 2 | 3.5 |
| Dimensions in MM |
H 595 D 415 W 250 |
H 595 D 415 W 250 |
H 595 D 415 W 320 |
| Weight in KG | 15.6 | 17.6 | 23.2 |
| GST | 18 % | 18 % | 18 % |