When engines demand heavy duty, high capacity water separation and fuel filtration. Features rugged, non-corrosive die-cast aluminum construction. Glass bowl for diesel fuel only. "MA" units have shielded see-thru bowls. A single valve on all of the double manifold "MAX" models isolates one filter/separator for service while the other keeps operating - this way, you can keep running while draining contaminants from the collection bowl or while changing filter elements. For double manifolds models order "75" series. - For over forty years the Parker Racor Division has been one brand of fuel filtration systems that has earned the confidence and respect of engine and equipment builders, owners and operators around the world. Leading edge technology and continuous innovation are designed into every system. In every configuration, at every flow rate, and in any operating environment, Racor is the most trusted name in engine protection.