The present invention relates to a patient ventilation device or breathing device and components thereof for use in all types of ventilation systems of respiratory equipment, including invasive and non-invasive ventilation, positive pressure ventilation therapy, continuous positive airway pressure (CPAP), especially dual Horizontal Therapy and Sleep Disordered Breathing (SDB) disease treatment, such as Obstructive Sleep Apnea (OSA), and for a variety of other breathing disorders and diseases. In particular, the present invention relates to ventilators, blades, gaskets, multiconductor wires, impellers, gas inlets and inlet elements, improved air paths or fluid flow paths and components thereof, and / or to a modular ventilation device or breathing apparatus as described above. device, and particularly in combination with one or more other aspects of the invention.