Durachoice 1/4" Mini Brass Ball Valve - Chrome Plated Female x Female NPT Chrome-plated brass body - for extra strength and corrosion resistance, working pressure of 200 psi Solid chrome-plated brass ball, Female x Female NPT Double-seal system allows flow to go in either direction, heavy duty Zinc Alloy handles Working temperature of 2F to 175F, Fast 1/4 turn open or closed operation Heavy Duty for Water, Oil, and Gas, each valve individually tested for maximum safety