A/C Manifold Gauge Set R134A

Premium spring loaded quick couplers with swivel connections for added flexibility. Yellow (charging) hose auto shut-off. Couplers can be removed from service ports regardless of knob position without losing refrigerant. Convenient sight glass allows monitoring of flow and conditions of refrigerant passing though the manifold. Piston free floating valves reduces O-ring wear. Nylon barrier hoses meet EPA, SAE & UL standards. Easy grip front facing knobs Extra access port for vacuum line. R134A scales in PSI & kPa. Sight Glass For Visual Checks, Easy Grip Front Facing Knobs & Piston Free Floating Valves Reduces O-Ring Wear, Extra Access Port For Vacuum Line, Nylon Barrier Hoses Meet EPA, SAE & UL Standards, R134A Scales in PSI & kPa