High quality: the repair hose kit is made of metal and high quality rubber materials, sturdy manufacturing, stable performance, high pressure resistance and high reliability. And 1/2 thread is specially developed. Pressure gauge: the refrigerant filling hose has a indicator that can be easily checked during use. With a gauge, it is easy to display during use. The pressure gauge on the bottom monitors the pressure to get the correct level of filling. Easy to use: easy to use, easy to use gauge, colour code on valve and hose, easy to display pressure gauge during operation, easy to use pressure gauge Widely used: the automatic air conditioner refill kit with instrument is suitable for adding refrigerant to vehicles or household air conditioning systems with high working performance. Use: one adapter is connected to the R134a socket and the other adapter to the vehicle. Easy to use The refrigerant filling pipe system with built-in safety valve prevents accidental leakage of refrigerant. Specifications: Hose length: approx. 1.35 m. Weight: 410 g. Colour: blue. Thread: 1/2 inch. Range: 55 MPa. Pressure range: -30 ~ 250 psi. Material: rubber and aluminium copper alloy. For home air conditioning and car air conditioner add refrigerant. Model: charging hose pressure gauge. Features: Refrigerant filling hose R134A with pressure gauge. Type: refrigerant pressure gauge. Trouser fittings: 1/2 inch AC ME Pressure gauge size: approx. 70 x 25 mm. Product name: AC refrigerant filling hose with pressure gauge Box contents: 1 x refrigerant filling hose with pressure gauge