The Rothenberger 4 Way Manifold Set is compatible with refrigerants R22, R134A, R407C, and R404A, making it a versatile tool for HVAC professionals. This manifold set features durable construction and precision gauges for accurate pressure readings. The ergonomic design ensures ease of use, while the color-coded hoses facilitate quick identification of connections. Ideal for servicing and diagnosing refrigeration systems, this manifold set meets industry standards for safety and performance, making it an essential addition to any HVAC technician's toolkit.