Edelbrock Clear View Fuel Filter for 5/16" I.D. Hose dresses up any carbureted car’s engine bay, providing a quick visual check of fuel flow and condition. Fully machined aluminum ends are laser inscribed with barbed inlet/outlet sizes and attractively E-coated black for durability. For use with rubber fuel lines rated up to 10psi. A serviceable 100-micron nylon filter element keeps dirt and debris from clogging up small passages in your carburetor. The filter element is easily replaced using kit PN 8749.