Product: Automotive R134a Quick Coupling Kit for 1/4' Hose Fittings What it does Provides fast, reliable connection between R134a automotive refrigeration tanks and 1/4' hose fittings. Valveactuated design creates a secure seal and prevents refrigerant loss when connecting or disconnecting, even while the system is under operating pressure. Why you need it Speeds up service and reduces downtime by allowing quick connect/disconnect without tools. Minimizes refrigerant escape and exposure during service, improving safety and compliance. Colorcoded and low pressure knobs reduce hookup mistakes and make identification immediate, lowering the chance of crossconnection. Key features and compatibility Compatibility: specifically designed for automotive R134a refrigeration systems and 1/4' hose fittings. Function: valve actuation for leak engagement; works under system operating pressure for reliable service connections. Installation: compact form factor suitable for installation in the engine compartment area; connects by replacing or tapping into rear lines as needed. Identification: separate colored knobs for and low pressure lines for clear visual distinction. Performance benefits Strong seal prevents refrigerant loss and ensures system integrity during service. Quick installation and removal reduce service time and handling. Clear identification and secure valve operation improve technician safety and reduce errors. Typical applications Vehicle A/C recharge: quick hookup to R134a refrigerant tanks for fast refills. Diagnostics and pressure testing: safe, leakminimizing connections for measuring system pressures. Mobile or roadside service: compact, easytouse kit for field repairs and onvehicle servicing. Practical use notes Install in the engine compartment by disconnecting the existing rear lines and fitting the coupling kit in place. Use the colored knobs to match and low service ports and avoid crossconnection. Connect and disconnect while observing standard safety practices for refrigerant service. This quick coupling kit is a straightforward, safety‑focused accessory for technicians and vehicle owners who service R134a automotive air conditioning systems using 1/4' hose fittings.