| 1 Sample | —> £0.92 / Unit | |
| 250 - | 499 | —> £1.45 / Unit |
| 500 - | 999 | —> £1.14 / Unit |
| 1000 - | 2499 | —> £0.76 / Unit |
| 2500 - | 4999 | —> £0.68 / Unit |
| 5000 | —> £0.68 / Unit | |
| 25 | 50 | 100 | 250 | 500 | 750 | 1000 | 2500 | 5000 |
| £4.10 | £3.42 | £3.08 | £2.07 | £1.85 | £1.74 | £1.64 | £1.50 | £1.38 |
Prices are per unit including setup and delivery charges to UK mainland
