Table of correspondent oxygen concentration for different oxygen flow(two types)
| Adjusted Oxygen Concentration | Oxygen flow | 
| 24%(blue) | 4L/min | 
| 28%(yellow) | 4L/min | 
| 31%(white) | 6L/min | 
| 35%(dark green) | 8L/min | 
| 40%(pink) | 8L/min | 
| 50%(orange) | 10L/min | 
| Adjusted Oxygen Concentration | Oxygen flow | 
| 24%(blue) | 4L/min | 
| 28%(yellow) | 4L/min | 
| 31%(white) | 6L/min | 
| 35%(dark green) | 8L/min | 
| 40%(pink) | 8L/min | 
| 50%(orange) | 10L/min | 
| 60%(red) | 15L/min | 
| Cat.No. | Size | 
| LB122000A/B | XS(Neonate) | 
| LB122001A/B | S(Pediatric Standard) | 
| LB122002A/B | M(Pediatric Elongated) | 
| LB122003A/B | L(Adult Asian) | 
| LB122004A/B | L+(Adult European) | 
| LB122005A/B | XL(Adult Elongated) |