Festo QST Series Tee Tube-to-Tube Adaptor Push In 10 mm, Push In 12 mm to Push In 12 mm, Tube-to-Tube Connection Style,, Body Material: PBT, Maximum Operating Pressure: 14 bar, Maximum Operating Temperature: +80°C, Minimum Operating Temperature: -10°C, Mounting Type: Inline, Model Number (p): 153137, MPN: QST-12-10.