Cystic fibrosis (CF) is a genetic disease that causes absence or dysfunction of a protein named transmembrane conductance regulatory protein (CFTR) that works as an anion channel. As a result. the secretions of the organs where CFTR is expressed are very viscous. so their functionality is altered. https://www.alarecre.com/NFL-Jacksonville-Jaguars-Distressed-AirPods-Pro-2nd-Gen-Skin-p100281/