Knowledge Base > FAQ > Using PowerLung > Can you use Active Series Resistance Cells on Performer Series models?

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Yes. The Active Series resistance cells can be used on Performance Series models. The graph below indicates how the units match against each other. If you are looking for less resistance, pick the resistance cell for the unit below yours. If you are looking for more resistance, pick the one above your model. 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.

Performer Series Active Series
M422T (Melon) ARS-K100 AireStream (Orange)
P617B (Purple) PLB-K100 BreatheAir (Yellow)
T343A (Teal) PLT-K100 Trainer (Green)