Radium Engineering Check Valve - 6AN ORB to 10mm BarbThe Radium Engineering Check Valve is a precision engineered one way valve designed for fuel and fluid systems where directional flow control is critical. Featuring a 6AN ORB (O Ring Boss) inlet and 10mm barbed outlet, this compact valve prevents backflow while maintaining minimal restriction in high performance applications. Part Number 20 1534 Check Valve, 6AN ORB to 10mm Barb Key Features One Way Flow Design: Prevents backflow in fuel and fluid