●Materials/Bag: Glassine paper, 18-8 stainless steel, Special pipe: Core paper, Mouthpiece: Polystyrene
●Extension pressure required to blow: Level 0: 24cmH2O, Level 1: 28cmH2O, Level 2: 45cmH2O
●Medical device certification number: 13B1X00209000015
●Country of origin: Japan
●Number of items per case: 24 ・Have fun while training to restore oral function! The secret to true health is actually in breathing!
