A flatpack is a way a mask is packaged with various size cushions inside the packaging (for example small, medium and large) to allow the user to select what size cushion they require. See an example of a mask packaged as a fitpack.
A flatpack is a way a mask is packaged with various size cushions inside the packaging (for example small, medium and large) to allow the user to select what size cushion they require. See an example of a mask packaged as a fitpack.