The Fisher & Paykel Eson 2 Nasal Mask is designed for ease of use. The Eson 2 features VisiBlue highlights to provide visual cues for simpler, quicker and more intuitive handling and to aid you in fitting, disassembly and reassembly. To improve on a mask designed for performance and comfort, the Fisher & Paykel development team focused on ease of use, providing the patient with confidence at every step. With over 20 design improvements, Fisher & Paykel Healthcare’s best performing nasal mask is now even better.