#$%^&*AU2019219807A120190912.pdf#####ABSTRACT Mask interfaces having mask frames and mask seals are disclosed. Headgear and breathing conduits can be connected to the mask interfaces. The connection between the mask seals and the mask frames can enable movement of the mask seals relative to the mask frames. The relative movement may be at the mounting locations of the mask seals and mask frames. -13-1/4 /41 /6DD It'? I 42 -~f5 Hqc'