Name: Air Compressor Tanks Fill Valve. Material: Brass. Weight: About 25g. Color: As shown. Extended type size: 1/8 NPT-34x9mm/1/4 NPT-34x12mm. Regular type size: 1/8 NPT-23x11cm/1/4 NPT-28x11cm. Features: Made of high quality brass, rustless and sturdy. Used with air compressor tanks to fill vessels with air. The rated working pressure of the core is 2000psi, and the maximum pressure is 300psig. Tank valve prevents air from leaking out while allowing for air to pass through for inflation. Widely used for various tire inflation and pressure bottle containers, for inflation sealing or deflation. Package Included: 1 x Air Compressor Tanks Fill Valve.