Alumiseal Radiator stop leak additive Alumiseal (as marked on tube) Cylindrical metal tubes with embossed "A" logo on each end cap Graphics/Markin Blue "ALUMISEAL" band with product information and red globe logo reading "WORLD'S BEST STOP LEAK" Country of origin: United States Two matching vintage Alumiseal radiator stop leak tubes shown in the photos Suitable for automotive radiator systems and also as period-correct garage or display pieces.
