Crafted with precision by Marshall Excelsior, the ME570 adapter-hose end is a must-have for seamless connections in your automotive systems. This single-piece, brass fitting features a 1-3/4Fx1-3/4M AC thread configuration, designed to provide a reliable and watertight seal for your air conditioning lines. Whether you're servicing RVs, trailers, or campers, this high-quality adapter ensures compatibility and durability. The robust construction of the brass material offers long-lasting performance, making it an essential component for maintaining the functionality of your vehicle's air conditioning system.