Features: The Refrigerant Bottle Adapter delivers efficient cooling through its quick connection, ensuring seamless refrigerant transfer for optimized air conditioning while minimizing waste. Crafted with high pressure resistant plastic/metal composite construction, this leak proof adapter securely connects refrigerant cylinders to air conditioning unit Ideal for HVAC professionals and homeowners maintaining residential/commercial cooling, it simplifies refrigerant recharge tasks equipment. Use during seasonal air conditioning maintenance, refrigerant refills, or upgrades to ensuring pressure controlling in split/central air conditioning units. Engineered with threading for multiple bottle types, this essential air conditioning part features ergonomic grip zones and visual pressure indicators for safe refrigerant handling during repair or professional installations. Specifications: Component:Metal Size:Approx.3.1cm/1.22inch Package Includes: 2Pcs air conditioning Adapter note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.