The John Guest reducer stem makes reducing the tube size of a fitting easy. Manufactured in gray acetal with food grade nitrile O-ring, these fittings are suitable for foodstuff and potable liquids. They are also suitable for air and inert gases therefore can be used for CO2 and nitrogen beverage gas lines, pneumatics, vacuum as well as other applications. Features: Push-fit Technology creates reliable, leak-free connections Stem easily inserts into JG Push-fit fittings to reduce the tube size Compatible with plastic or copper OD sized tubing Connect, disconnect, and reconnect in seconds without tools Food Quality and suitable for potable liquids and pure water applications Can be used for air/pneumatic vacuum applications Acetal body with Nitrile O-Ring Made with lead free materials Working pressure and temperature: Max. 230 psi at 68 F Max. 150 psi at 150 F Additional Details ------------------------------ Product description: The John Guest reducer stem makes reducing the tube size of a fitting easy. Manufactured in gray acetal with food grade nitrile O-ring, these fittings are suitable for foodstuff and potable liquids. They are also suitable for air and inert gases therefore can be used for CO2 and nitrogen beverage gas lines, pneumatics, vacuum as well as other applications. Features: Push-fit Technology creates reliable, leak-free connections Stem easily inserts into JG Push-fit fittings to reduce the tube size Compatible with plastic or copper OD sized tubing Connect, disconnect, and reconnect in seconds without tools Food Quality and suitable for potable liquids and pure water applications Can be used for air/pneumatic vacuum applications Acetal body with Nitrile O-Ring Made with lead free materials Working pressure and temperature: Max. 230 psi at 68 F Max. 150 psi at 150 F