John Guest Plug - 3/8"
MPN:
The John Guest 3/8" Plug is suitable for potable domestic and commercial water applicatio...
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Filters
John Guest Male Adapter - 1/4" BSP x 3/8" Push Fit
MPN:
The John Guest Male Adapter - 1/4" BSP x 3/8" Push Fit is suitable for potable domestic a...
John Guest Female Adapter - 1/4" Female NPTF x 3/8" Push Fit
MPN:
The John Guest 1/4" Female NPTF x 3/8" Push Fit Adapter is suitable for potable domestic ...
John Guest Stem Adapter - 3/8" Stem x 3/8" Male BSP
MPN:
The John Guest Stem Adapter - 3/8" Stem x 3/8" Male BSP thread is suitable for potable do...
John Guest Equal Elbow - 6mm Push-Fit
MPN:
John Guest Equal Elbow with 6mm push-fit connections. Suitable for potable domestic and c...
John Guest 12mm Push Fit Equal Tee Fitting
MPN:
The John Guest 12mm Push Fit Equal Tee Fitting is suitable for potable domestic and comm...
John Guest Equal Straight Connector - 5/16" x 5/16" Push Fit
MPN:
John Guest Equal Straight Connector with 5/16" x 5/16" push-fit connections. Suitable for...
John Guest Single Check Valve - 3/8" Push Fit
MPN:
The John Guest Single Check Valve with 3/8" push-fit connections is designed to prevent b...
John Guest Equal Straight Connector - 3/8" Push-Fit
MPN:
John Guest Equal Straight Connector with 3/8" connections. Manufactured in the UK using f...
John Guest Female Adapter - 1/2" Female BSP (Cone End) x 3/8" Push Fit
MPN:
The John Guest 3/8" Push Fit x 1/2" BSP Female Adapter with Cone End is suitable for pota...
John Guest Bulkhead Connector - 3/8" Push Fit
MPN:
John Guest Bulkhead Connector with 3/8" Push Fit connections, produced in a grey acetal ...
John Guest 3/8" Push Fit x 5/16" Push Fit Reducing Straight Connector
MPN:
John Guest 3/8" Push Fit x 5/16" Push Fit Reducing Straight Connector is suitable for pot...
John Guest Male Adapter - 3/8" Male NPTF x 3/8" Push Fit
MPN:
The John Guest Male Adapter - 3/8" Male NPTF x 3/8" Push Fit is suitable for potable dome...
John Guest Tube to Hose Stem - 3/8" Stem X 1/2" Hose Barb
MPN:
John Guest Tube to Hose Stem with 3/8" Stem x 1/2" Hose Barb connections. Suitable for ...
John Guest Enlarger - 5/16" Stem x 3/8" Push Fit
MPN:
The John Guest Enlarger with 5/16" Stem x 3/8" Push Fit is suitable for potable domestic...
Stem Adaptor 3/8" Stem x 3/4" Male BSP
MPN:
Stem Adaptor – 3/8″ Stem x 3/4″ Male BSP. Suitable for Everpure Claris filter head.
John Guest Equal Elbow - 15mm Push-Fit
MPN:
John Guest Equal Elbow with 15mm push-fit connections. Suitable for potable domestic and ...
John Guest Reducer - 3/8" Stem x 5/16" Push Fit
MPN:
The John Guest Reducer with 3/8" Stem x 5/16" Push Fit is suitable for potable domestic ...
John Guest 15mm Push Fit x 1/2" BSP Male Straight Adapter
MPN:
John Guest 15mm Push Fit x 1/2" BSP Male Straight Adapter is suitable for connecting to m...
John Guest Female Adapter - 1/4" Push Fit x 7/16"-24 UNS
MPN:
The John Guest 1/4" Push Fit x 7/16"-24 UNS Adapter is suitable for potable domestic and ...
John Guest Reducer - 8mm Stem x 6mm Push Fit
MPN:
The John Guest Reducer with 8mm Stem x 6mm Push Fit is suitable for potable domestic and...
MCM Male Straight Adapter - 1/2" BSPT x 1/4 Push Fit
MPN:
The MCM Male Adapter with 1/2" BSPT x 1/4" Push Fit Connections is a high quality fitting...
John Guest Reducing Straight Connector - 3/8" x 1/4" Push-Fit
MPN:
John Guest Reducing Straight Connector with 3/8" x 1/4" push-fit connections. Manufacture...
John Guest Tube to Hose Stem - 15mm Stem X 1/2" Hose Barb
MPN:
John Guest Tube to Hose Stem with 15mm Stem x 1/2" Hose Barb connections. Suitable for p...
Need help choosing the right filter?
Our UK-based team can help match your appliance, system or application to the correct replacement or filtration setup.
How do I know which water filter fits my system?
Check the model reference on your current cartridge, appliance or system. If you are unsure, contact us with a photo and we will help identify the correct replacement.
Can businesses order in volume?
Yes. Trade and repeat-order customers can request support for volume pricing, scheduled replenishment and specification advice.