<p>A manifold includes first and second plates secured together at an inner face of each plate. A plurality of chambers and passages are in the inner faces of the plates and at least one port on an outer face of each plate connected to one of the chambers and passages. A crossover element in the inner face of the first plate separates a chamber or passage in the first plate from a chamber or passage in the second plate in the crossover area where the chambers or passages cross. DCDSOI PPP 136803vl</p>
