Accessories for the VISION AQUA water filters

The John Guest 3/8" Equal Tee Connector (Part No. CI0212W) offers outstanding quality and reliability for professional water connections. Designed for use in water filters, reverse osmosis systems and other potable water applications, it provides a safe and leak-free connection for three 3/8" outer diameter tubes.Thanks to the proven push-fit technology, installation takes only a few seconds. Simply insert the tube, and the connection is instantly secure and watertight. The durable acetal construction ensures excellent resistance and long service life, even under demanding conditions.This John Guest Tee Connector is the ideal choice for anyone who values precision and hygiene. Whether in domestic setups, catering environments or industrial water systems, it guarantees a clean and professional connection every time.Customer Benefits at a Glance:Quick and easy installation with push-fit designFood-grade and hygienic materialCompatible with water filters, RO systems and coolersReliable, leak-free connection without toolsPerfect for replacements or new installationsThe product series is not suitable for use in compressed air and vacuum areas.

Experience a reliable connection solution for your compressed-air installation: our Quick-Release Coupling Female 1/2" external thread is the ideal choice when you want to connect air hoses quickly, tightly and professionally. Made from high-quality brass and precisely designed for the 1/2" external thread standard, this coupling part allows direct connection to common air tools and line systems – putting your efficiency front and centre.With this coupling you achieve a clean and secure transition between hose and device. The precise manufacturing ensures that air losses remain minimal and your system operates reliably. Especially in workshops, industrial or trade environments this coupling proves itself as a stable and durable companion for daily use.Rely on quality, simple installation and versatile usability: whether attaching to a compressor, hose reel or pneumatic tool – this female coupling fulfils its task reliably, saves time during installation and supports smooth operation.Customer benefits at a glance:Standard 1/2" external thread – compatible with many compressed-air systemsHigh-quality brass material – durable, robust and corrosion-resistantSecure quick-release coupling – reduces air leakage, ensures a tight connectionPerfect for workshop, trade and industry – highly versatileEasy installation – ready to use immediately, no extensive modification required

The John Guest Straight Reducer Connector CM201512W ensures a secure and leak-free connection between two tubes with different outer diameters of 15 mm and 12 mm. This high-quality push-fit fitting allows for a quick and reliable installation, commonly used in water filtration systems, reverse osmosis units and other drinking water applications.The durable plastic body is made from food-grade material, ensuring maximum hygiene and long-lasting performance. The connector is easy to install and remove without tools, offering a flexible solution for maintenance, upgrades or repairs in any water system.Whether used at home, in laboratories or in the catering industry, the John Guest reducer connector stands out with precise engineering, excellent sealing performance and proven durability. It’s the ideal spare part for anyone who values quality and reliability.Customer Benefits at a Glance:Simple push-fit installation without toolsDurable, food-grade materialFits 15 mm and 12 mm tubing systemsPerfect for water filters and reverse osmosis systemsReusable and easy to maintainReliable sealing for clean drinking waterThe CM series is not suitable for compressed air and vacuum applications.

The drain clamp is used to connect the 3/8" wastewater tube of the water filtration equipment to the wastewater pipe of the tapping point (e.g. washbasin). The clamp can be mounted on pipes with a diameter of Ø 40 mm. 

The John Guest Straight Connector 15 mm (PM0415E) provides a clean and reliable solution for connecting water filters, reverse osmosis systems, and other drinking water setups. Its high-quality push-fit design ensures quick, tool-free installation that’s both leak-free and durable – ideal for DIY enthusiasts and professionals alike.Crafted from food-grade engineering plastic, this connector offers excellent resistance to pressure and temperature. Designed specifically for potable water use, it’s perfect for water filters, RO systems, aquarium setups, and various fluid applications where purity and safety matter.Whether used as a spare part or to expand an existing system, the John Guest connector delivers a strong, dependable connection between 15 mm tubing, ensuring your water filtration setup remains efficient, clean, and leak-free.Key Benefits:Quick and easy installation without toolsLeak-proof performance with precision fitSuitable for water filters, RO systems, and potable water applicationsMade from durable, food-grade plasticReusable and long-lastingFully compatible with all John Guest 15 mm fittingsThe connectors are also ideal for air, non-flammable gases (e.g. N2 and CO2) and vacuum applications.

The John Guest Elbow Connector 3/8" Tube OD is the smart solution for anyone who wants to upgrade their reverse osmosis system or water filter to a professional level. Its precise 90° design saves space, keeps tubing neat, and ensures a reliable water flow throughout your system.The proven push-fit system allows quick and effortless connections without the need for tools — simply push the tube in and it locks securely in place. The high-quality plastic construction provides strength, ensures a long service life, and prevents water leakage even with frequent use.This elbow connector fits perfectly with all standard water filter and reverse osmosis systems, making it an essential spare part for those who value quality and durability. Trust in John Guest precision and experience how simple professional water technology can be.Customer Benefits at a Glance:Genuine John Guest push-fit systemDurable construction made from high-quality plasticSuitable for 3/8" OD tubesIdeal for reverse osmosis systems and drinking water filtersQuick, easy installation without toolsThe product series is not suitable for use in compressed air and vacuum areas.

The drain clamp is used to lead the 1/4" wastewater tube of the water filtration equipment into the wastewater pipe of the tapping point (e.g. sink). The clamp can be mounted on pipes with a diameter of Ø 40 mm. 

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.

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 Push-Fit Connector 1/4" Tube OD to 1/4" Female NPTF USA offers exceptional reliability and precision. Designed for use in water filters, reverse osmosis systems, and beverage dispensers, this connector ensures a secure and leak-free connection while maintaining high water quality standards. Made from durable, food-grade materials, it guarantees long-lasting performance even under continuous use.Installation is quick and effortless thanks to the push-fit technology. Simply insert the tube, and the connection locks firmly into place without the need for any tools. This makes it the perfect choice for users who value efficiency, cleanliness, and durability in their water purification systems.Manufactured by John Guest, a trusted name in fluid control fittings, this connector stands for top-tier quality and user-friendly design. Its compatibility with 1/4" tubing and 1/4" threads makes it versatile and easy to integrate into new or existing systems.Key Benefits:Secure, leak-free connection for water filters and RO systemsQuick tool-free installationFood-grade, durable plasticHygienic, corrosion-resistant, and long-lastingIdeal for drinking water, filtration, and cooling 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.

The John Guest Y-Connector 1/4" Tube OD is the perfect solution for safely and efficiently splitting water lines in water filters, reverse osmosis systems, or other drinking water applications. With the proven John Guest push-fit technology, installation is quick and secure – no tools required. The system can be expanded or modified at any time with minimal effort.Made from durable, food-grade materials, this Y-connector ensures long-lasting performance and maximum hygiene. It evenly distributes water flow to two lines while maintaining a tight, leak-free seal. Precision manufacturing by John Guest guarantees consistent water pressure, making it ideal for sensitive applications such as RO systems.Whether you are a DIY enthusiast or a professional installer, the PI2308S Y-Connector is a versatile component – perfect as a replacement part for existing water filters, in new reverse osmosis builds, or for custom water line setups. Its compact design saves space and ensures reliability in any installation.Customer Benefits at a Glance:Quick and easy tool-free installationSafe, food-grade materialFits 1/4" outer diameter tubingIdeal for RO systems, water filters, and cooling setupsDurable, reliable, and leak-proofPerfect for replacements or extensionsThe connectors are also ideal for air, non-flammable gases (e.g. N2 and CO2) and vacuum applications.

Properties: Plug: CEE 7/7 grounded safety plug E+F 90° angled to C13 90° angled. Colour: black Length: 1,80m Cross section: 3 x 0,75mm² Material: H05VV-F Approval: VDE, NF, DEMKO, FINKO, KEMA, CEBEC, OVE, IMQ, SEV, SAA RoHS compliant Packing: Bulk Countries: Afghanistan, Algeria, Andorra, Austria, Belgium, Bosnia-Herzegovina, Bulgaria, Croatia, Czech Republic, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Indonesia, Latvia, Lithuania, Luxembourg, Macedonia, Moldova, Monaco, Montenegro, Morocco, Netherlands, Norway, Poland, Portugal, Romania, Russia, Serbia, Slovakia, Slovenia, South Korea, Spain, Sweden, Tunisia, Ukraine There is no official standard in Syria and Turkey, but the grounded safety plug is commonly used. Plug type E+F CEE-7/7 system (YP-22)In the grounded safety plug, two protection systems were combined in one plug,so that the grounding occurs via the contact surfaces or the grounding trunnion (French system). Plug C13 90° angled (YC-12L)IEC 60320-C13 cold appliance plug is used for power connection of devices which do not generate heat during operation. The maximum temperature of the plug must not exceed 70°C, and the maximum current flow is fixed at 10A. Cold appliance plugs do not fit into warm or hot appliance sockets. 

The John Guest T-Reducer Fitting PP30121208W is a reliable and high-quality solution for clean and secure connections in water filter systems, reverse osmosis units, and drinking water installations. With two 3/8" tube ports and one 1/4" outlet, it allows smooth diameter reduction between different tubing sizes – ideal for flexible system configurations.Made from durable, food-grade plastic, this fitting ensures maximum hygiene and long service life. Thanks to the trusted John Guest push-fit technology, installation takes just seconds and requires no tools. Simply push in the tubing for a tight, leak-free connection that can be easily released when needed.Whether you’re setting up a reverse osmosis system, a water filter, or any other drinking water setup, the PP30121208W guarantees secure flow and dependable performance. Its precision and build quality make it an essential spare part for anyone who values reliability and cleanliness in water systems.Your Benefits at a Glance:Fits 2 x 3/8" OD tubes to 1/4" OD tubeQuick and tool-free installationFood-grade, durable constructionLeak-free and secure connectionIdeal for reverse osmosis and water filter systemsReusable and easy to disconnectThe 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 T Connector 1/4" Tube OD stands for premium quality and effortless installation. Designed for use in water filters, reverse osmosis systems, and various drinking water applications, this fitting ensures a quick, clean, and secure connection every time.Made from durable, food-grade plastic, this connector provides a tight and long-lasting seal between three 1/4" tubes. It’s ideal for reverse osmosis systems, water dispensers, aquarium filters, and cooling units. The precision-engineered design minimizes leakage and guarantees consistent performance.With the John Guest CI0208W, you gain a reliable, professional-grade fitting that delivers outstanding results in water filtration and plumbing projects. Perfect for installers, technicians, and DIY enthusiasts alike.Customer Benefits at a Glance:Quick and secure connection with push-fit technologyCompatible with 1/4" outer diameter tubingFood-grade, durable plastic constructionIdeal for water filters, RO systems, and cooling equipmentReusable and easy to maintainLeak-resistant and long-lasting performanceThe product series is not suitable for use in compressed air and vacuum areas.

The John Guest Tap Connector PP3212U7W provides a secure and precise connection between 3/8" tubing and a 7/16"-24 UNS female thread. This thread type is compatible with standard 7/16"-24 UNF male fittings, commonly found in water filters, reverse osmosis systems, CO₂ setups, and beverage equipment. It fits perfectly with matching UNF or UNS male threads used on faucet adapters, filter heads, or quick-connect fittings.With its trusted push-fit technology, installation takes just seconds – simply push the tubing in and enjoy a tight, leak-free seal. Made from high-quality, food-grade acetal, this connector ensures hygiene, durability, and long-lasting reliability for all drinking water applications.Whether used for maintenance or new installations, this John Guest connector delivers top-tier performance and ease of use. Precision engineering ensures a strong, reusable connection and consistent water flow – ideal for anyone who values clean, safe, and efficient water systems.Key Benefits:Fits 3/8" tubing and 7/16"-24 UNS female thread (compatible with UNF male fittings)Quick and secure push-fit installation, no tools neededFood-grade, durable plastic for hygienic and leak-free operationReusable, long-lasting, and maintenance-friendlyThe 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 Y-Connector PP241208W delivers outstanding quality and reliability for any installation setup. It connects two 1/4" tubes to one 3/8" line effortlessly – perfect for water filters, reverse osmosis systems, and beverage dispensers. The precise push-fit technology allows for quick, tool-free installation, ensuring a leak-free and durable connection every time.Made from high-grade, food-safe materials, this connector is designed to meet the highest standards for drinking water applications. Its robust construction ensures lasting performance and reliability, even under changing pressure conditions. A perfect choice for those who value quality, hygiene, and convenience.Whether you're expanding your filtration system, replacing old parts, or creating a new setup, this Y-Connector provides flexibility and efficiency with minimal effort.Key Benefits:Quick, tool-free installation with push-fit technologyCompatible with water filters, reverse osmosis systems, and beverage dispensersDurable, food-grade plastic constructionReliable, leak-free performance for drinking water systemsPerfect for system upgrades, extensions, or repairsThe 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 Straight Reducer Connector 15 mm to 3/8" delivers reliable performance and outstanding build quality. Designed for secure and leak-free connections between different tube sizes, it ensures a steady water flow — perfect for water filters, reverse osmosis systems, and various liquid applications.Featuring the proven push-fit technology, this connector installs effortlessly without tools and can be easily released when needed. Its strong, food-grade construction guarantees durability, pressure resistance, and consistent functionality for both home and professional use.Whether replacing old fittings or upgrading a water filtration system, the NC2511 straight reducer connector provides lasting quality and efficiency. Keep your water system running smoothly and hygienically with this premium spare part.Customer Benefits:Secure connection between 15 mm and 3/8" tubingQuick, tool-free installation with push-fit designPerfect for water filters, RO systems, and drinking water setupsFood-grade, durable construction for long-term reliabilityEasy maintenance and reusable multiple timesThe connectors are also ideal for air, non-flammable gases (e.g. N2 and CO2) and vacuum applications.

The John Guest Straight Connector 3/8" (PP0412W) provides a reliable and durable connection for a wide range of water filtration and reverse osmosis systems. Its user-friendly push-fit design ensures a secure and leak-free joint between two 3/8" OD tubes – no tools required.Engineered for quick installation and easy maintenance, this connector delivers consistent water flow and quality in residential, commercial, or laboratory settings. Made from high-grade, food-safe plastic, it’s perfectly suited for drinking water systems where hygiene and reliability are essential.John Guest stands for top performance and precision. This fitting resists pressure, temperature variations, and corrosion. Ideal as a replacement part or for expanding existing water filtration setups. A trusted component used globally in professional water treatment.Key Benefits:Compatible with 3/8" OD tubingEasy push-fit installation – no tools neededMade from durable, food-grade materialPerfect for water filters, RO systems, and drinking water applicationsReusable and easy to cleanReliable, watertight connectionThe 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 Tap Connector CI320816FS combines premium quality with effortless installation. It’s the perfect choice for connecting water filters, reverse osmosis systems, and other drinking water applications. The precisely machined fittings ensure a secure, leak-free connection between a 1/4" tube (outer diameter) and a 3/4" female thread. Quick to install and highly reliable – no special tools required.Made from durable, food-grade plastic, this connector is approved for use with drinking water and built to last. It provides excellent resistance to pressure and temperature changes, making it a dependable part of RO systems or water dispensers. Its robust design maintains hygienic water flow and minimizes any risk of leakage.Whether for home, hospitality, or laboratory setups, this tap connector is a smart replacement part that delivers both safety and quality. With the trusted John Guest push-fit system, installation takes only seconds, while the connection remains secure yet easily removable if needed.Customer Benefits at a Glance:Perfect for water filters, RO systems, and drinking water setupsDurable, food-grade materialQuick and tool-free installationReliable and leak-proof John Guest connectionExcellent as a replacement or system extensionThe product series is not suitable for use in compressed air and vacuum areas.

The John Guest PP011223W male connector provides a secure and reliable connection between a 3/8" tube (OD) and a 3/8" internal thread. Designed for use in water filters, reverse osmosis systems, and beverage equipment, this fitting ensures a tight and leak-free seal. The push-fit technology allows for quick, tool-free installation – simply insert the tube for a firm and watertight connection.Made from durable, food-grade polypropylene, this connector offers excellent resistance to pressure, temperature, and corrosion. It’s ideal for applications where hygiene and water purity are critical. Thanks to its precision design, the PP011223W maintains a consistent seal, even with frequent use or system adjustments.Perfect for expanding or maintaining RO systems, water filtration setups, or beverage dispensers, this John Guest fitting serves as a dependable spare part or component for custom installations.Key Benefits:Quick, tool-free push-fit connectionConnects 3/8" tube to 3/8" female threadFood-grade, durable polypropylene constructionIdeal for water filters, RO systems, and beverage equipmentResistant to pressure and temperatureHygienic, long-lasting, and easy to cleanThe 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 tube stem adapter offers a dependable and precise connection between tubing and pipe systems in water filtration and reverse osmosis setups. Designed for strength and durability, this fitting ensures a secure, leak-free connection that performs reliably over time. Its high-quality plastic construction provides easy handling and long-lasting use for both professional and home installations.With its accurate dimensions, the stem adapter fits seamlessly between a 1/2" hose stem and a 1/2" tube (ID). It’s the perfect replacement part or system upgrade for anyone who values quality and reliability in their water filtration equipment.Whether you’re replacing a worn connector or assembling a new RO system, this John Guest fitting delivers the performance and convenience you expect from a trusted brand. Quick to install and built to last, it ensures a clean, secure connection for your water filter setup.Customer Benefits at a Glance:Fits 1/2" stem to 1/2" tube (ID)Perfect for water filters, RO systems, and spare partsSimple, tool-free installationGenuine John Guest quality and reliabilityLeak-proof, secure connectionFood-grade plastic for pure 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.

The John Guest Tap Connector PP3208U7W is the ideal solution for a secure and quick connection in water filters, reverse osmosis systems, and beverage equipment. Its precise fit and trusted John Guest quality ensure a leak-proof connection without the need for additional tools. The smart push-fit design allows for effortless installation and easy maintenance.Made from durable, food-grade plastic, this connector guarantees long-lasting performance and hygienic safety. It’s designed for drinking water applications and provides a reliable seal between a 1/4" outer diameter tube and a 7/16"-24 UNS female thread.Whether used as a replacement part or for building a new water filtration system, this connector offers top performance and compatibility with a wide range of systems. Choose professional-grade quality that makes a difference – choose John Guest.Customer Benefits at a Glance:Quick and easy installation with push-fit technologyCompatible with water filters, RO systems, and cooling unitsMade from food-grade, durable materialsLeak-proof and secure even after repeated usePerfect for repairs or system extensionsThe 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 tube stem connector provides a secure and reliable connection between hoses and tubing. Featuring a 3/8" barb and a 1/2" tube ID fitting, this precision-engineered connector ensures a tight, stable seal – ideal for use in water filters, reverse osmosis systems, and drinking water applications.Installation is effortless, requiring no tools while maintaining a long-lasting, leak-free connection. Built with high-quality materials and John Guest’s renowned craftsmanship, this connector withstands pressure and temperature variations, ensuring consistent performance over time.Perfect for maintenance or new installations, this fitting guarantees clean water flow and lasting durability. A trusted choice for anyone looking to upgrade or repair their reverse osmosis system or water filter setup.Customer Benefits:Fits 3/8" barb and 1/2" tube ID connectionsSimple, tool-free installationMade from high-quality, food-grade materialsIdeal for water filters, reverse osmosis systems, and spare partsDurable, leak-free, and low maintenanceThe 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 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.

The PI Series for imperial tubing is manufactured from gray acetal copolymer (POM) and features food grade nitrile O-rings.It was developed for food, drinking water applications, water treatment systems, etc.Propertiesfor drinking water applications and water treatment systemsacetal copolymer (POM)mountable without toolsquick, multiple release of the connection possiblevery good flow propertiesThe connectors are also ideal for air, non-flammable gases (e.g. N2 and CO2) and vacuum applications.