PHA Polska (Polish Association of People with Pulmonary Hypertension and Their Friends) is an organization that comprehensively supports individuals suffering from pulmonary hypertension. The association works to improve the quality of life of its patients, for example, by lending them portable oxygen concentrators, which are crucial for their oxygen therapy in daily life. Their main patients are individuals at any stage of pulmonary hypertension, for whom the association serves as a valuable source of support and hope.