The old patient hand holding the Tri-ball incentive spirometry is medical equipment for post operation. The equipment for Lungs function testing & Pul

adult, asthma, blowing, breath, breathing, breathing exercise, care, chest rehabilitation, clinic, diagnose, disease, doctor, elderly, exercise, flow, health, health care, hospital, hygiene, illness, incentive, inhalation, inhale, lung, lung condition, lung function test, medical, medical equipment, medicine, oxygen, patient, plastic, post operation, problem, pulmonary, pulmonary rehabilitation, respiration, respiratory, senior, sick, sickness, spirometer, spirometry, spirometry test, surgery, surgical, therapy, treatment, triballs, triflow,