Item Name: System Spirometer Lung Breathing trainer Respiratory Exerciser Vital Capacity. Material: PVCSize: 14 * 17 * 7 cm (approx)Color: as shownApplication: fitness100% Brand NewDescription:Bite the mouth to use safe and comfortable PE material, combined with ergonomic design.Pipeline bending resistance, not affected by the patient's posture, easy to clean, durable.The bottom filter screen can effectively prevent cross-infection and keep the sphere clean and hygienic.Bright color sphere, integrate into color psychology, inspire patient training.Convenient double-card connector design, tight connection is not easy to fall off.The main body is thickened and reinforced, forming in one, durable and anti-falling.Package: 2 pcs x Breathing exerciserNote:1. Due to the light and screen difference, the item's color may be slightly different from the pictures.2. Please allow 1-2 cm differences due to manual measurement. *Please make
