A half-face respiratory mask is disclosed. The respiratory mask has replaceable filters associated with inhalation valves, the filters further having a minimal relief from an outer surface of the respiratory mask. The respiratory mask may be made of a substantially transparent material, a substantially colorless material, or both, or of a aesthetically pleasing color scheme, and may be of a size, weight, and design such that the respiratory mask is physically discreet and unobtrusive to the user for everyday or active use, and is unobtrusive, discreet, or otherwise aesthetically appealing to users and passersby.