The Praxair 4643 2″ 100PSI/KPA Brass Replacement Gauge GA011-13 is a high-quality air pressure gauge made by the brand Trerice. This gauge is designed for use in hydraulics, pneumatics, pumps, and plumbing systems, providing accurate readings of up to 100 psi or kpa. Manufactured in China, this replacement gauge ensures reliable performance and durability for industrial applications requiring precise air pressure monitoring.