Features: With built-in safety valve to prevent accidental venting of the refrigerant. This refrigerant charging kit is made of corrosion-resistant metal, hose high-quality rubber, high pressure resistance, reliable and to use. It is used to check the low side pressure to fill the air conditioner accurately. factory tested, guarantee excellent working performance. Ideal for automotive air conditioning to add refrigerant. Specifications:Material: Aluminum+pvc+PlasticColor: As shown in the picture Interface: 1/4 inch Application: R12 R22 R404A R134A Packing Size: 23.2*17.4*7.4cm Packing Weight: 1113g Packing List:1*AC Gauge3*Hoses2*Fittings1*Acme AdapterMany questions about Dropshipping services are following:1. How many orders can you handle per day? We are a large company in Shenzhen, China, with a large warehouse that can handle large orders every day. We ship countless packages every day. We can guarantee the order you request.2. How fast can you process orders? We will arrange the shipment as soon as possible after you pay for your order. Priority delivery for dropshipping order3. Can you ship an order without any receipts, invoices and promotional offer inside the package? Absolutely! No invoices, receipts, promotional offer if you leave notes on the order (if you want, we can deliver.)4. If you need other products? We can supply most of the products you need as much as possible1If you have any other questions, please feel free to . We are very grateful for your cooperation with you.5. We can support Dropshipping of CSV/Excel files.6. There is no limited inventory to fulfill orders on a daily basis