US Patent 10960238 Face mask

A face mask for a user having a face, a nose and a mouth, the face mask including a covering including a periphery, a top end, a bottom end, the covering configured to cover at least a portion of the nose of the user and at least a portion of the mouth of the user, wherein the covering is configured substantially according to the shape and size of the nose of the user and the mouth of the user; a first opening disposed at a first location of the covering; a second opening disposed at a second location of the covering; a first filter configured for covering the first opening; a second filter configured for covering the second opening; and a seal disposed on the periphery.