If you were considering choosing a Performer Series model and now wonder how it compares with the Active Series model, here is a chart that should help you.
| Performer Series | Active Series |
| M422T (Melon) | ARS-K100 AireStream (Orange) |
| P617B (Purple) | PLB-K100 BreatheAir (Yellow) |
| T343A (Teal) | PLT-K100 Trainer (Green) |
If you have just started the process of choosing a PowerLung, please visit our revised Which Do I Choose? page to help you choose the right PowerLung for your current level of breathing and the goals you have for Better Breathing.
NOTE: If music is your primary reason for using a PowerLung, you should be aware that most music teachers do not recommend the resistance level of the Sport model due to its high range of resistance.
