The Neptune 855 Sightglass Manifold is a collectible piece of automobilia that serves as a functional part of gas pumps and fueling systems. This sightglass manifold is designed to provide clear visibility of the fuel level in a gas pump, making it an essential component for transportation-related applications. The Neptune 855 model is known for its durability and reliability, making it a coveted item for collectors and those interested in vintage automotive systems.855 Neptune gas pump sight glass manifold in good condition complete glasses are good Look at pictures for condition