JOHN GUEST WORLD CONNECTIONS John Guest has a long established reputation as a world leading manufacturer of push-in fittings, tubings, and other fluid control products. They are well-known in the industry for producing consistently high quality products with an ongoing commitment to value engineering and product development. John Guest manages both their design and manufacturing processes in-house at their modern, custom-built facilities in the United Kingdom. Their quality line of Push-In Fittings have been designed for use with a wide range of industrial water treatment applications and systems including Water Purification, Reverse Osmosis, Ice Makers, Beverage Dispensing, Vending & OCS, R.V. and Marine, Car Washing Systems and many more. This John Guest inch polypropylene fitting is constructed of white polypropylene with food grade EPDM O-rings and was designed for compatibility with a wide range of applications. It is simple to use and require no tools for installation, while delivering a 100% leak-free seal every time. All of our Reverse Osmosis Systems use John Guest Quick-Connect Fittings to provide customers with easy system setup and worry-free operation for many years to come. POLYPROPYLENE FITTINGS (WHITE) - Fixed Elbow White Polypropylene Constructions with food grade EPDM O-rings Tube sizes option from 1/4" O.D. to 3/8" O.D. Material with excellent chemical resistance Suitable for water and food applications Not suitable for compressed air applications WORKING PRESSURES AND TEMPERATURES Max. 150 psi at 70°F (Max. 10 Bar at 20°C) Max. 60 psi at 140°F (Max. 4 Bar at 60°C) Min. 33°F / 1°C