The Fieldpiece HR3B Ball Valve Refrigerant Hose Set is a high-quality product designed for use in HVAC and refrigeration systems. Made of durable metal material and featuring 1/4" x 1/4" diameters, this set includes three ball valves with color tags for easy identification. Compatible with leak testing and vacuuming applications, this unit is ideal for central air conditioner systems. Manufactured by Parker in the United States, it comes with a 1-month manufacturer warranty and weighs 1 lb. The Fieldpiece HR3B Ball Valve Refrigerant Hose Set is a reliable and efficient solution for HVAC and refrigeration businesses.