These quick connect fittings is easy to install and remove, mainly used for quick connector piping, which can achieve line connected or disconnected. Widely used in industries automatic production equipment like machinery, electronics, automobile, packaging and medical.Specification:Material: Nickel Plated Brass and PlasticColor: WhiteSize: 1/2"OD Tube to 1/2"NPT Male ThreadWorking Pressure: 0-1.0 Mpa | 0-145 PsiWorking Temperature: 0-60°C | 32~140°FApplicable Tube: PU / PA / PE / PVCPackage Contents:4 Pieces 1/2 Inch Tube OD x 1/2 Inch NPT Thread Pneumatic Push to Connect Air Fittings