This professional-grade refrigerant charging hose set is designed for reliable HVAC service and maintenance. The set includes three 48-inch hoses in standard red, yellow, and blue color coding for easy identification during use. Featuring robust 1/4-inch imperial fittings with premium brass connectors and surface anodizing treatment for enhanced durability and scratch resistance. The hoses are manufactured from high-quality, low-odor rubber and are rated for a maximum working pressure of 600 PSI with an impressive burst pressure rating of 3000 PSI. Compatible with multiple refrigerants including R134a, R22, and R410a, making it versatile for various HVAC applications. The explosion-proof design and specialized construction ensure safe refrigerant transfer operations. Each hose features clear pressure markings and comes with precision-engineered fittings for secure connections. Perfect for professional HVAC technicians and maintenance personnel who demand reliable performance and durability in their service tools.