Bottle Adapter

FIG. 1 is a front perspective view of a bottle adapter, showing my new design; FIG. 2 is a rear perspective view thereof; FIG. 3 is a front view thereof; FIG. 4 is a rear view thereof; FIG. 5 is a left side view thereof; FIG. 6 is a right side view thereof; FIG. 7 is a top view thereof; and, FIG. 8 is a bottom view thereof. The evenly spaced lines shown on the surface of the bottle adapter represent surface shading and not surface ornamentation or patterns.