---!@!start!@!---Specifications---!@!end!@!--- Brand EVIL ENERGY Product Type Inline One Way Check Valve Valve Style Diaphragm Check Valve Material 6061-T6 Aluminum Alloy Finish Black Anodized Hose Connection Barb Inlet and Outlet Available Hose Sizes 5/16 inch, 3/8 inch, 1/2 inch, 5/8 inch Opening Pressure 3 PSI Maximum Working Pressure 150 PSI Operating Temperature -22°F to 266°F Internal Spring Stainless Steel Installation Inline Installation, Hose Clamp Recommended Compatible Media Fuel, oil, coolant, air, diesel, methanol, ethanol, E85 Application Carburetor systems, low-pressure fuel lines, cooling systems ---!@!start!@!---Description---!@!end!@!--- This EVIL ENERGY inline one way check valve is engineered to prevent fuel and fluid backflow in carbureted and low-pressure systems. The diaphragm-style design with a stainless steel spring ensures consistent one-direction flow while minimizing pressure loss. Constructed from black anodized 6061-T6 aluminum, it offers excellent durability, corrosion resistance, and reliable sealing across a wide range of automotive fluids and temperatures.