| Modèle | Hauteur libre |
|---|---|
| ZX8-2 | 130 mm - 0.43 pi |
| ZX40U-2 | 335 mm - 1.1 pi |
| ZX35U-3 | 280 mm - 0.92 pi |
| ZX35U-2 | 290 mm - 0.95 pi |
| ZX30U-2 | 290 mm - 0.95 pi |
| ZX27U-3 | 320 mm - 1 pi |
| ZX27U-2 | 320 mm - 1 pi |
| ZX22U-2 | 295 mm - 0.97 pi |
| ZX17U-2 | 165 mm - 0.54 pi |
| ZX10U-2 | 130 mm - 0.43 pi |
| EX45-2 | 365 mm - 1.2 pi |
| EX40-2 | 365 mm - 1.2 pi |
| EX35-2 | 330 mm - 1.1 pi |
| EX30-2 | 330 mm - 1.1 pi |
| EX15-2 | 235 mm - 0.77 pi |
| EX12-2 | 235 mm - 0.77 pi |