TAISHER 2 Pcs Brass Extension Pipe Fitting 1/2" NPT Female x 1/2" NPT Male, Internal Hex, 150mm Threaded Pipe Connector

["Product Material: High quality solid brass strong and durable brass is corrosion resistant and ductile at high temperatures","Maximum Pressure: Maximum working pressure is 290 PSI","Working Temperature: Temperature range from -65°F to 250°F","Internal Hex Design: Inner hex structure allows operation with hex key from front side perfect for recessed hidden and narrow mounting areas where regular wrench cannot work","Application: Household water plumbing air compressor pipelines gas supply systems industrial pipeline reconstruction mechanical equipment piping"]