They Provide even distribution or collection and avoid flow/pressure concentrations such as dead zones, wall effects or channeling. Hub Laterals can be designed for disc head vessels enabling the system to collect completely to the bottom of the vessel. Header laterals design is also available for flat bottom vessel distributor or collector applications All systems are designed for effective liquid or solid retention in a wide range of applications including ion exchangers, clay and sand filtration applications, carbon towers and power plants with water systems. Available as both Header Lateral and Hub lateral assemblies, wedge wire screen laterals and pipe based laterals can be connected to headers or hubs by the following methods : -standard NPT threaded connections -flanged connections. fabricated or ANSI -welded as one assembly Laterals are available in all standard pipe and tube outside diameters