1/4 Female X Male 500 Pounds Per Square Inch Check ValveThe 1 4 Female X Male 500 Pounds Per Square Inch Check Valve is a high performance valve designed to prevent backflow and ensure smooth, one way flow in fluid and gas systems. With 1 4 inch female (F) and male (M) threaded connections, it provides a secure, tool free installation. Capable of withstanding up to 500 PSI, this valve is ideal for high pressure pneumatic, hydraulic, and fluid handling applications, protecting your equipment from reverse