Reducing Bulkhead - 12mm tube OD to 3/8" tube OD - John Guest

The John Guest Bulkhead Connector 1/4" is designed for secure and leak-free tubing installations through panels or housings. Featuring a threaded body and a durable locking nut, the connector can be firmly fixed in place, providing a stable bulkhead fitting. This makes it ideal for use in water filter systems, reverse osmosis units and other water treatment setups.The 1/4" size is the industry standard for most water filtration systems, making this connector the perfect choice as a spare part or when building a new installation. Thanks to John Guest’s Quick-Connect technology, connecting tubing is effortless: simply push the tube into the fitting for a reliable and watertight connection.Made from food-grade plastic and reinforced with a sturdy lock nut, the connector ensures both long-term hygiene and durability. It allows professional, stable and efficient construction of water filtration systems without the hassle of complicated assembly.Key Benefits:Standard 1/4" size for most water filters and RO systemsSecure bulkhead fitting through panels or housingsLocking nut provides stable fixationQuick-Connect system for leak-free connectionsFood-grade material ensures safe water useThe 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.

The John Guest Bulkhead Connector 3/8" is the perfect choice for installations requiring larger tubing to pass securely through housings or panels. With its threaded body and supplied lock nut, the connector can be tightly fastened, ensuring a stable and durable bulkhead fitting even in systems with higher flow rates.Installation is fast and straightforward thanks to John Guest’s push-fit technology. Simply insert the tube and the connection locks firmly in place, creating a reliable, leak-free seal. This makes the 3/8" bulkhead connector particularly well-suited for reverse osmosis and water filter systems with greater capacity.Constructed from food-grade plastic and equipped with a strong fixing nut, this connector provides long-lasting, hygienic performance for professional water treatment setups.Key Benefits:3/8" size for higher flow applicationsSecure bulkhead fitting through housings and panelsLocking nut provides strong and stable fixationQuick-Connect system for hassle-free installationFood-grade material for safe drinking water applicationsThe 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.