 
                                        Mirage Activa LT Nasal CPAP/BiLevel Mask with Headgear
The Mirage Activa LT combines the original Activa's superior sealing technology with a lighter, quieter, and more streamlined design. The Activa LT's ActiveCell cushion expands and contracts to creat a comfortable, unwavering seal as you move and turn during the night. The MicroFit dial makes fitting quicker and easier than ever before and the innovative diffuse vent design means that the Activa LT is approximately 49% quieter than the original! Dual-Wall ActiveCell Nasal Cushion: The Mirage Activa LT's unique Dual-Wall Cushion features an ‘active cell’ that expands and contracts, adapting to movement and therapy pressure changes through the night. The dynamic cushion design is secure enough to give you an effective seal, yet gentle enough to move when you do. Breath-O-Prene Headgear: Because the nasal cushion's active cell does all the work, Activa LT is less dependent on headgear tension to achieve and maintain an effective seal. In fact, Mirage Activa LT works best wi
