Manifold

FIG. 1 is a top perspective view of an embodiment of a manifold; FIG. 2 is a bottom perspective view of the manifold of FIG. 1 ; FIG. 3 is a top view of the manifold of FIG. 1 ; FIG. 4 is a bottom view of the manifold of FIG. 1 ; FIG. 5 is a side elevational view of the manifold of FIG. 1 ; FIG. 6 is an opposite side elevational view of the manifold of FIG. 1 ; FIG. 7 is an end view of the manifold of FIG. 1 ; and, FIG. 8 is an opposite end view of the manifold of FIG. 1 . The broken lines depict portions of the manifold that form no part of the claimed design.