The Fieldpiece 1/4 inch Ball Valve Refrigerant Charging Hose sets a new standard in durability and performance for HVAC professionals. Engineered with innovation at its core, these hoses are designed to withstand rigorous use in charging, recovery, and evacuation tasks. Featuring a rugged full-ring triple crimp construction, they ensure reliability under pressure with a working pressure of 800 psi and a burst pressure of 4000 psi. Ideal for A2L compatibility, these hoses deliver the high quality and precision that define Fieldpiece tools, making them a trusted choice in the field.