Product Name: 4mm pneumatic quick connectot Fluid Type: Air Only Applicable Tube: Pu/Nylon/Soft PE tube Pressure Range: 0~1MPa Temperature Range: 0-60°C | 32-140°F Advantages: High pressure resistance, easy installation and long service life. Others: Easy to install: Available in various styles and models . Each model to serve its purpose. All models of quick connectors are designed to suit your pneumatic piping needs perfectly