A nasal interface device configured to be positioned about a user's nose includes an air supply interface body including an air supply opening, at least one nasal opening, and first and second attachment surfaces, a bendable metallic member including a bridge portion between first and second ends, a first elastic member having a first proximal end and a portion, the first proximal end including a first coupling means for directly or indirectly attaching to the first end of the bendable metallic element, and the first portion engaging with the first attachment surface on the air supply interface body, and a second elastic member having a second proximal end and a second portion, the second proximal end including a second coupling means for directly or indirectly attaching to the second end of the bendable metallic element, and the second portion engaging with the second attachment surface.
