Nebulizer

FIG. 1 is a front, top, right perspective view of a nebulizer, showing the claimed design; FIG. 2 is a front elevation view thereof; FIG. 3 is a rear elevation view thereof; FIG. 4 is a left side elevation view thereof; FIG. 5 is a right side elevation view thereof; FIG. 6 is a top plan view thereof; FIG. 7 is a bottom plan view thereof; FIG. 8 is a rear, bottom, left perspective view thereof; and, FIG. 9 is a front, top, right perspective view, showing the nebulizer in a condition of use with a top cover and a bottom cover. The dashed broken lines in the drawing depict portions of the nebulizer that form no part of the claimed design. The dot-dash broken lines of the top cover and the bottom cover in FIG. 9 depict environmental structure that forms no part of the claimed design.