| File | Action |
|---|---|
| Optimum 90L Direct Specification | Download |
| Optimum 120L Direct Specification | Download |
| Optimum 150L Direct Specification | Download |
| Optimum 180L Direct Specification | Download |
| Optimum 210L Direct Specification | Download |
| Optimum 250L Direct Specification | Download |
| Optimum 300L Direct Specification | Download |