Size Standard 6AN specification, thread size: 9/6-18 UNF Features Built with industry standard 90-degree elbow and JIC 37° flared sealing surface for reliable, leak-free connection. Fits all standard PTFE-lined stainless steel braided hoses. Equipped with brass compression sleeve and ferrule for firm clamping and stable sealing. Application Suitable for breather & vent lines, in-tank and external fuel lines, sensor & gauge lines, low-pressure hydraulic return lines, vacuum lines, and other oil, water and air systems. After-Sales Service guarantees product quality. We offer 30-day money-back service and 6-month replacement warranty to ensure 100% customer satisfaction. Note Professional installation is recommended. Please confirm the size before purchase.