The DUTUX Brass Refrigeration Charging Hose is a high-quality component used for refrigerant charging, servicing, and maintenance in HVAC and refrigeration systems. Made from premium brass/copper alloy, it offers excellent durability, corrosion resistance, and reliable leak-proof performance. It is designed to provide secure connections between refrigerant hoses, gauges, and system ports for professional technicians. With precision machining and strict quality control, it ensures accurate threading, smooth surfaces, high dimensional accuracy, and efficient refrigerant flow. Suitable for a wide range of modern refrigerants, it is widely used in HVAC installation, servicing, and maintenance applications.