The Rothenberger Standard Series Hoses come in a convenient set of 3, perfect for HVAC applications. These hoses are crafted from durable materials, ensuring long-lasting performance and reliability. They are designed to handle various refrigerants, making them versatile for different systems. Each hose is engineered to meet industry standards, providing peace of mind for professionals. Ideal for both residential and commercial use, these hoses facilitate efficient refrigerant transfer, making them an essential tool for HVAC technicians.