1. Features: - 100% brand - new, high - quality. - Made of high - quality materials, durable and practical. - Car air conditioners usually experience a certain amount of refrigerant loss once a year. This is caused by the semi - sealed mode of the car air - conditioning compressor. It is normal to have a small amount of loss. Just add one bottle of refrigerant to the car air conditioner every year. Don't worry. Here is an easy way to add refrigerant. Friends can try to add it manually. Adding air - conditioning additives is as convenient and safe as inflating a tire. - It has a unique spring pressure indicator with an accuracy error of 1.5 levels. - The connecting hose is made of high - quality rubber, which can reduce material corrosion by 98%. - It has a durable and sturdy handle that can be used more than 50,000 times. - It has a built - in safety valve to prevent accidental gas release. - Check the low - pressure side pressure to accurately fill the air conditioner with gas. - This unique can faucet has an R - 134a screw - in can connector and R12/R22 service port connectors. - High - quality R134A charging hose with a pressure gauge and a sturdy structure. - R134a quick adapter. - 1/2 thread is suitable for the United States and Europe. - It is simple and convenient to use. It is equipped with a gauge for easy viewing during use. 2. Specifications: - Color: Blue + Gold. - Material: Aluminum + Copper + Rubber. - Quantity: 1 piece. - Left hose length: 160mm/6.30in. - Right hose length: 160mm/6.30in. - Low - pressure gauge: 350 PSI, 24 bar: R134A. - Measuring diameter: 72mm/2.83in. - Measuring height: 30mm/1.18in. - Length: 410mm/16.14in. - Thread: M14, 1/2”. - Hose connector: 1/2” ACME. - Package weight: Approximately 240 grams/8.46 ounces/0.53 pounds. 3. Package includes: - 1 x Car refrigerant charging tube. 4. Notes: - Due to many factors such as monitor brightness and light brightness, the actual color of the item may be slightly different from the pictures displayed on the website. - Due to manual measurement, please allow slight deviations in the data.