The GENIE 300bar filling system is built for industrial gas transfer applications requiring extreme pressure capability. Features a forged brass body with stainless steel diaphragm rated for 4,350psi service. The oversized pressure relief valve and burst disk provide redundant safety protection. Includes a 0-400bar glycerin-filled gauge with steel case for vibration resistance. The CGA-580 outlet accepts most high-pressure gas cylinders while the 1/4" NPT inlet works with standard compressors. Ideal for SCUBA shops, fire departments, and industrial gas suppliers. The chrome-plated brass fill whip features armored construction for abrasion resistance. Meets DOT and ISO 2503 standards.