ResMed Mirage Quattro Full Face CPAP / BiPAP Mask Price in Bangladesh. The Mirage Quattro full face mask is designed by combining several adjustment areas to provide your most comfortable fit and seal. It is possible to make mask settings according to the different structures of the face. All face shapes are neatly designed to ensure a secure seal throughout the night. It features dual-wall spring air cushion technology that cushions the face for comfort and leak-free performance.