Freedom 400
Cylinder weight when full
3.2-3.7 kg (7-8 lb)
Freedom 400 durations without conserver
| Flow rate (lpm) | Duration |
| 0.5 | 14 hours 20 mins |
| 1 | 7 hours 10 mins |
| 2 | 3 hours 35 mins |
| 3 | 2 hours 23 mins |
| 4 | 1 hour 47 mins |
| 6 | 1 hour 11 mins |
| 8 | 53 mins |
| 10 | 43 mins |
| 15 | 28 mins |
Freedom 400 durations with conserver
| Flow rate (lpm) | Duration |
| 0.5 | 35 hours |
| 1 | 21 hours |
| 2 | 10 hours |
| 3 | 7 hours |
| 4 | 5 hours |
| 5 | 4 hours 20 mins |
| 6 | 3 hours |
| 8 | 2 hours 20 mins |
Freedom 600
Cylinder weight when full
3.5 kg (7.7 lb)
Freedom 600 durations using a micro flow meter
| Flow rate (lpm) | Duration |
| 0.01 | 42 days |
| 0.02 | 21 days |
| 0.03 | 14 days |
| 0.04 | 10 days |
| 0.05 | 8 days |
| 0.06 | 7 days |
| 0.07 | 6 days |
| 0.08 | 5 days |
| 0.09 | 4.5 days |
Freedom 600 durations using a low flow meter
| Flow rate (lpm) | Duration |
| 0.1 | 4 days |
| 0.15 | 2 days 19 hours |
| 0.2 | 2 days |
| 0.25 | 1 day 17 hours |
| 0.3 | 1 day 5 hours |
| 0.35 | 1 day 5 hours |
| 0.4 | 25 hours |
| 0.5 | 20 hours |
| 0.6 | 16 hours |
| 0.7 | 14 hours |
| 0.8 | 12 hours |
| 0.9 | 11 hours |
