What is claimed is the ornamental design for a respiration enhancer, as shown and described.
FIG. 1 is a front elevational view of a respiration enhancer, showing the new design in a compressed configuration;
FIG. 2 is a perspective view thereof, illustrated in a relaxed configuration;
FIG. 3 is a top plan view thereof, illustrated in the relaxed configuration;
FIG. 4 is a left-side elevational view thereof, illustrated in the relaxed configuration, the right-side elevational view being a mirror image thereof;
FIG. 5 is a front elevational view thereof, illustrated in the relaxed configuration, the rear elevational view being a mirror image thereof; and,
FIG. 6 is a bottom plan view thereof, illustrated in the relaxed configuration.
The broken lines showing a person in FIG. 1 are included for the purpose of illustrating the invention in use, and form no part of the claimed design.
The broken lines in FIGS. 4 and 6 are included for the purpose of illustrating a portion of the respiration enhancer that forms no part of the claimed design.