Once inside the mobile unit, a horse will breathe in the dry salt aerosol created by the halogenerator. As the horse inhales the aerosol, the dry salt goes to work inside the respiratory system by acting as an anti-bacterial agent, clearing secretions, and dissolving bacteria and pollutants lodged in the respiratory tract. Ultimately, this lessens inflammation in the lungs, thins out mucus build-up, improves lung function, and opens breathing passages.