Features: Specifications: Air pneumatic parts pipe plug has anti dust and protection function for your air hose. WIC Valve PPG Series plug connector composite push in to connect fitting provides a easy and quick tubing connections with no special tools required. WIC Valve fitting is compatible with for SMC and Festo Fittings. High quality, easy to install. Fit for Hose Inner Diameter: 4mm/6mm/8mm(0.16"/0.24"/0.31") Operating Pressure: 0 - 150 PSI / 0 - 990 kpa Vacuum: 0 - 29.5 in Hg / 750 mm Hg Operating Temperature: 0 - 60 °C / 32 to 140F Application: Air