Types of Pneumatic Fittings_ Pneumatic fittings are components used to connect divisions of pipe, tube, and hose in pneumatic systems (pressurized gas). Compared to hydraulic fittings, pneumatic fittings are typically identified by tighter seals and lower pressure specifications.
one touch plastic pneumatic fittings
PU Straight Union Black Quick Tube Connector One Touch Push in Pipe Air Plastic Pneumatic Fitting.