Fitness
POWERbreathe Plus Inspiratory Muscle Trainer
POWERbreathe
Handheld mechanical inspiratory muscle trainer from POWERbreathe: you inhale against an adjustable spring-loaded valve; sold in Light, Medium and Heavy resistance versions. Price: $84.95, checked Oct 14, 2026. US availability: sold on powerbreathe.com (US store). Directory: Fitness > Breathing trainers.
Links go to the maker. Affiliates are off. BiohackList may earn commissions from qualifying purchases in the future.