["Feature:\r\n1. From the high-end quality design, top-mounted rotation to consider the use of convenience.\r\nno matter how the safety for valve placed, can easily switch operation.\r\n 2.High-end CNC machine tool processing, a number of parts of the connection can ensure that it is not leaked.\r\nthe factory has been sealed before for the treatment, safe and secure.\r\n 3. Selection of experienced design team, in strict accordance with the application of the product design to create.\r\nactivities thimble can accurately control the air conditioning high and low pressure for valve needle.\r\n 4. The entire production project to be in accordance with national standards, quality after several tests.\r\nthe final factory inspection is completed, into the marketing department for sale\r\n\r\nInstructions:\r\n The safety for valve stem (thimble) in the back of the safe position, \r\nthen add the fluorine safety for valve screwed on the air conditioning for valve.\r\nSafety for valve stem thimble is not the top of the air for valve in the air for valve , \r\nThen the system will not leak out of the fragrance of fluoride,\r\nand fluoride test pressure you can open the fluoride safety for valve at the same for time \r\nsafety for valve stem thimble will move forward the air for valve in the for valve stem for valve connected to the pipeline,\r\nso Safety for valve through the thimble before and after the telescopic, \r\nto do a zero leakage, environmental for protection and not hands\r\n\r\nItem specifics: \r\nName: Refrigerant retention control valve\r\nMaterial: Copper\r\nModel number: R410A/R22\r\nBLUE = R22\r\nDiameter: Male: 1/4\" (12mm); Female: 1/4\" (12mm)\r\nApproved for R22 refrigerant,\r\nRED = R410A \r\nDiameter: Male: 1/4\" (12mm); Female: 5/16\" ,\r\nQuantity: 1 Set,\r\n\r\n Note:\r\nSize for manual measurement, there may be a 0 to 2 for cm error, belongs to the normal phenomenon.\r\nAnd due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\r\n\r\nPackage includes: \r\n1 Pc X R410A for Valve.\r\n1 Pc X R22 for Valve."]