Tube/hose Diameter: 5/16” = 8 mm Positive Pressure: 0-0.9MPa(0-9.2kgf/cm2) Negative Pressure: -99.99-0MPa Operating Temperature: 0 - 60 °C Material: PBT (Polybutylene terephthalate) Recommended Tubing Material: Polyurethane, Nylon, Polyethylene, Polypropylene