The 4ZM22A is a reliable pneumatic regulator manufactured by SPEEDAIRE. With compressed air compatibility, aluminum body, and 1/2" NPTF ports, this regulator ensures precise pressure control. Its 220 CFM maximum flow rate and 300 PSI maximum pressure make it suitable for various industrial applications. With a 1/4" NPTF gauge port, it allows for easy pressure monitoring. Ensure efficient and accurate pressure regulation with this high-quality pneumatic regulator.