TAISHER 2pcs Brass Extension Pipe Fitting 3/4 NPT Male x 3/4 NPT Male,Hex Long Pipe Connector Fitting，Threaded Extension Nipple

["Product Material：High quality solid brass, strong and durable, brass is corrosion resistant and ductile at high temperatur","Maximum Pressure：Maximum working pressure is 290PSI.","Working Temperature：Temperature range from -65°F to 250°F","HEX Long Pipe:The reserved hexagonal middle section brings great convenience for wrench operation during installation and disassembly, realizing effortless and firm assembly.","Application：household water plumbing, air compressor pipelines, gas supply systems, industrial pipeline reconstruction, mechanical equipment wiring."]