Thomann Tri-Ball Breath Coach, Tri-Ball Breath Trainer, Manual, flow-oriented breath trainer, Inspiratory breathing exercises, Variable flow rate, Free of latex and epoxy resin, Trainer for proper and good breathing, The Tri-Ball breath trainer is a classic among the manual and flow-oriented respiratory trainers, The three balls in the three chambers make it easy for you to learn to breathe properly and deeply, an essential skill for making music, Deep breathing lets you play even harder pieces with greater ease and and effort@+*The item is, for reasons of hygiene, subject to a zero returns policy (AGB §4 paragraph 5)*