m & l - 16334. Ergonomic and Custom Fitting CPAP Interface . ResMed's Mirage Micro Nasal CPAP Interface with Headgear offers the most personalized fit of any CPAP interface. The forehead support system gently presses against your face, working with the headgear to attach securely to your face. The interface's dual-cushion technology lets the nasal pad comform to your face without sacrificing comfort, and the device's MicroFit Dial allows you to pick from 24 tightness settings. . Comfortable Cushions . Designed with a dual-wall cushion, the cushions are come in six sizes: Kids, Small, Medium, Large, Large Wide, and Extra Large. The inner layer of the cushion conforms to your face, while the outer layer attaches to the interface's nasal membrane for a secure fit. . MicroFit Dial . With an innovative MicroFit Dial allows you to select one of 24 different size settings. Simply turn the dial to change the fit, and pick the right level of tightness for you and your face. . Key Features . Improved Diffusion Vent . Clean it Quickly . Headgear Quick Clips Lets You Save Your Settings . Reviewers Tip: . The interface's nasal cushion is small and compact, so your line of sight will be unobstructed with the Mirage Micro. . FAQ . Is using the MicroFit dial difficult . No, simply turn the knob up or down for a quick and easy pressure adjustment. . What kind of diffusion does this interface offer . The Mirage Micro's diffuser has a circular design located on the interface's elbow. The exhalation ports reduce noise, and make it easier for you and your partner to fall asleep. .