There are several products on the market claiming to improve your breathing, including PowerLung. PowerLung is nothing like any other competing product and any statement a competitor makes about being the same as PowerLung is simply not true.
-
What makes PowerLung different?
-
Restrictive Resistance
Used by Expand-a-Lung, SportsBreather, and Ultrabreathe. -
Threshold Resistance
Used by PowerLung for inhale and exhale.
-
Restrictive Resistance
- What about the products that only support inhale breathing?
- Similar products say they have advantages over PowerLung. What are your advantages over them?