Wix Complete In-Line Fuel Filters are designed to protect fuel system components from contaminants in the fuel. They are made of pleated papers which prevents leakage of the fuel under compression loads. These filters withstand minimum internal differential pressure of 75psi.Filter sizes: Inlet Size:1/4 Inch x Bottom Outside Diameter:Closed x Outlet Size: 1/4 Inch x Outside Diameter: 1.826 Inch x Top Outside Diameter: 1.826 Inch x Height: 3.480 inch.