Category overview
Filter products
Adapters and reducers for water filters
John Guest adapters and reducers are the ideal solution when you need a secure and reliable pipe connection between different sizes or connection types. Whether you are switching from metric to imperial sizes or between internal and external threads, as well as John Guest Speedfit push-fit connectors, the wide range of adapters offers the necessary flexibility. These high-quality fittings ensure quick, easy, and permanent installation without requiring complex tools.
John Guest adapters are particularly well-suited for VISION AQUA water filtration systems. All pipe connections used are certified and approved for use in the food and drinking water industries, as well as in water treatment applications. They meet high hygiene standards and provide a reliable solution that meets the stringent requirements in these sectors. By using John Guest adapters, you ensure a long-lasting and efficient connection that does not compromise on quality or safety.
Versatile Applications and Easy Handling
Thanks to their versatile applications, John Guest adapters and reducers are not only essential in water filtration technology but also in other sectors such as industry and craftsmanship. Their ease of use and innovative push-fit technology make them ideal for installations where speed and precision are crucial. The system is designed to be installed and dismantled without tools, saving time and minimizing the risk of leaks.

The CI range is manufactured from white acetal copolymer (POM) and fitted with food grade EPDM O-rings. They are used specifically in water treatment, drinking water and beverage applications. They are also suitable for other liquids and are recommended in the given technical specification for alternating cold and hot water applications.Properties:simple and quick installation "right first time"ideal for compressed air and liquidsmountable without toolsfast, multiple disconnection possiblevery good flow propertiesThe product series is not suitable for use in compressed air and vacuum areas.

Suitable for use with water and food: Products are made of safe, non-toxic materials. Meets the requirements of FDA, WRAS, ANSI/NSF-51, 61, ACS, KTW and DVGW-W270. Our products are widely used in water treatment, the food/beverage industry and pneumatic systems. Function and Quality: Enables quick and convenient installation - saving time and cost. Our ISO9001, 14001 registered quality system ensures our customers receive the highest level of product quality. Maintenance is fast, thanks to easy disassembly. Applications:Beyond water and food applications, our products can be used with air, gases, vacuum and liquids. All connections can be assembled and disassembled multiple times. A wide range of sizes covers a wide range of applications. Material:Grey acetal copolymer

The PP series for imperial tube dimensions is made from white polypropylen (PP) plastic and is equipped with food-safe EPDM O-rings.The product range was developed for drinking water applications, water treatment systems etc.Properties: for drinking water applications and water treatment systems Polypropylene (PP) mountable without tools fast, repeated disconnection possible very good flow propertiesThe product range is not suitable for compressed air, explosive gases, petroleum or other liquids as well as in heating systems or similar areas of application.
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