A nasal device comprising: a first component and a second component; and a connector for coupling the first component to the second component and configured to span a nasal septum of the user; wherein the first component comprises: a body for insertion into a nasal cavity of a nose of a user, the body comprising: a loop structure having an inner surface defining an aperture and a reverse outer surface, the loop structure being configured for alignment with an interior contour of a nasal passage of the nose; a platform spanning the aperture defined by the inner surface of the loop structure; and a valve mechanism disposed on the platform for controlling fluid flow through the aperture; wherein a conduit aperture is disposed in the body; a first mount extending from the body and (i) a first conduit or (ii) a first coupler for coupling a first conduit to the first mount, the first conduit or first coupler being supported by the first mount and the conduit aperture being configured to cooperate with the first mount to accommodate passage of the first conduit or first coupler through the body and into the nasal cavity to facilitate passage of fluid through the first conduit; characterized by a second mount extending from the body and (i) a second conduit or (ii) a second coupler for coupling a second conduit to the second mount, the second conduit or second coupler being supported by the second mount such that an open end of the second conduit or second coupler is positioned in proximity to the nasal cavity. a first component and a second component; and a connector for coupling the first component to the second component and configured to span a nasal septum of the user; wherein the first component comprises: a body for insertion into a nasal cavity of a nose of a user, the body comprising: a loop structure having an inner surface defining an aperture and a reverse outer surface, the loop structure being configured for alignment with an interior contour of a nasal passage of the nose; a platform spanning the aperture defined by the inner surface of the loop structure; and a valve mechanism disposed on the platform for controlling fluid flow through the aperture; wherein a conduit aperture is disposed in the body; a first mount extending from the body and (i) a first conduit or (ii) a first coupler for coupling a first conduit to the first mount, the first conduit or first coupler being supported by the first mount and the conduit aperture being configured to cooperate with the first mount to accommodate passage of the first conduit or first coupler through the body and into the nasal cavity to facilitate passage of fluid through the first conduit; characterized by a second mount extending from the body and (i) a second conduit or (ii) a second coupler for coupling a second conduit to the second mount, the second conduit or second coupler being supported by the second mount such that an open end of the second conduit or second coupler is positioned in proximity to the nasal cavity. a body for insertion into a nasal cavity of a nose of a user, the body comprising: a loop structure having an inner surface defining an aperture and a reverse outer surface, the loop structure being configured for alignment with an interior contour of a nasal passage of the nose; a platform spanning the aperture defined by the inner surface of the loop structure; and a valve mechanism disposed on the platform for controlling fluid flow through the aperture; a loop structure having an inner surface defining an aperture and a reverse outer surface, the loop structure being configured for alignment with an interior contour of a nasal passage of the nose; a platform spanning the aperture defined by the inner surface of the loop structure; and a valve mechanism disposed on the platform for controlling fluid flow through the aperture; wherein a conduit aperture is disposed in the body; a first mount extending from the body and (i) a first conduit or (ii) a first coupler for coupling a first conduit to the first mount, the first conduit or first coupler being supported by the first mount and the conduit aperture being configured to cooperate with the first mount to accommodate passage of the first conduit or first coupler through the body and into the nasal cavity to facilitate passage of fluid through the first conduit; characterized by a second mount extending from the body and (i) a second conduit or (ii) a second coupler for coupling a second conduit to the second mount, the second conduit or second coupler being supported by the second mount such that an open end of the second conduit or second coupler is positioned in proximity to the nasal cavity.