?Material: The union compression pipe joint is made of brass,sturdy and durable, has corrosion resistance,ductility at high temperature and low permeability,and has a torch joint. ?Working temperature range: -53 to 121 degrees Celsius (-65 to 250 degrees Fahrenheit). ?Features: 1. The pipe joint has a threaded connection. Compared with the joint,the threaded connection can be tightened or loosened to connect or disconnect the pipeline more easily,and both ends have a 45-degree flaring connection,which is easy to disassemble without flaring tool. 2. The flared thread is connected to the flared tube or fittings, which is suitable for a variety of industrial applications, such as: fuel and gas systems, piping, refrigeration and vacuum applications. 3. This joint is suitable for aluminum,copper,brass and steel pipe connections. Teflon tape is recommended for threaded joints. 4. Pipe fittings are components used in many different industries to connect,terminate,control flow and change the direction of pipelines. When purchasing fittings,please make a choice according to the corresponding application scenarios. 5. These Fittings contain Low Lead and are not allowed by federal law to be installed for potable water use in the USA. ?Package includes: 2 PCS 5/8" Male Flare x 5/8" Male Flare+ 1 PC Teflon Tape