Product details:

When engines demand heavy duty, high capacity water separation and fuel filtration. Features rugged, non-corrosive die-cast aluminium 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.