The Emzone Recharge Hose makes servicing older mobile A/C systems effortless. This high-performance hose fitting connects directly to the low-side A/C service port for quick, simple recharging. Contractors can now service vintage A/C units without the hassle of searching for outdated parts. Its adaptor fitting ensures a precise, leak-free connection for optimal refrigerant flow. This specialist hose gives technicians an efficient, headache-free way to service aged A/C systems.