WIDE APPLICATION: Our Brass Pipe Fittings are perfect for piping connections, compressed air, hydraulics, gases, grease, refrigeration, instrumentation, etc. Suitable for connecting air, water, fuel, oil, and inert gas lines
PLEASE NOTE: Female and male National Pipe Taper (NPT) threads for connecting to female and male threaded pipes, NPT thread size does not have an actual diameter, only nominal pipe size