The Sight Glass Hardware Tube provides a transparent viewing window for monitoring the fuel flow and detecting any contaminants or impurities present in the fuel. The hardware tube is made of transparent material, such as glass, to provide a clear view of the fuel passing through the system.Attributes:• Secure it in place within the slug valve assembly• Ensure a leak-proof connection between the tube and the valve assembly, preventing fuel leaks or spillsApplications:The Sight Glass Hardware Tube is used with the slug valve assembly in the bulk fuel filtration setup to ensure the integrity of the fuel supply and identify any issues that may affect the performance of the filtration system.