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...
John Guest
Browse reliable water filtration products, replacement cartridges and installation essentials selected for homes, businesses and specialist applications.
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Filters
John Guest 12mm LLDPE Tubing
Blue
MPN:
John Guest 12mm Tubing is commonly used in conjunction with John Guest Push Fit fittings ...
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 Equal Elbow - 15mm Push-Fit
MPN:
John Guest Equal Elbow with 15mm push-fit connections. Suitable for potable domestic and ...
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 - 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 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...
John Guest 8mm Push Fit Equal Tee Fitting | PM0208E
MPN:
The John Guest 8mm Push Fit Equal Tee Fitting is suitable for potable domestic and commer...
John Guest Female Adapter - 1/2" Female BSP x 5/16" Push Fit
MPN:
The John Guest 1/2" Female BSP x 5/16" Push Fit Adapter is suitable for potable domestic ...
John Guest Plug - 1/4"
MPN:
The John Guest 1/4" Plug is suitable for potable domestic and commercial water applicatio...
John Guest Equal Elbow - 1/2" Push-Fit
MPN:
John Guest Equal Elbow with 1/2" push-fit connections. Suitable for potable domestic and ...
John Guest 15mm Push Fit to 3/8" Push Fit Adapter
MPN:
This John Guest 15mm Push Fit to 3/8" Push Fit Adapter is the ideal solution for installi...
John Guest 3 Way ASV Valve - 15mm x 15mm x 1/4" Push Fit
MPN:
The John Guest 3 Way ASV Valve with 15mm PF x 15mm PF x 1/4" Push Fit connections is the ...
John Guest Equal Elbow - 12mm Push-Fit
MPN:
John Guest Equal Elbow with 12mm push-fit connections. Suitable for potable domestic and ...
John Guest Stem to Stem Adapter - 15mm Stem x 3/8" Stem
MPN:
The John Guest Stem to Stem Adaptor with 15mm Stem x 3/8" Stem is suitable for potable do...
John Guest Female Adapter - 3/8" Female BSP x 12mm Push Fit
MPN:
John Guest Female Adapter to connect onto 3/8" threaded taps, appliances and fittings. Th...
John Guest Equal Straight Connector - 10mm x 10mm Push Fit
MPN:
John Guest Equal Straight Connector with 10mm x 10mm push-fit connections. Suitable for p...
John Guest Reducing Connector - 15mm Push Fit x 1/2" Push Fit
MPN:
The John Guest 15mm Push Fit x 1/2" Push Fit Reducer is suitable for connecting to mains ...
John Guest Female Adapter - 1/4" Push Fit x 1/4" Female NPTF
MPN:
The John Guest 1/4" Push Fit x 1/4" Female NPTF Adapter is commonly used for water filtra...
John Guest Reducing Stem Elbow - 1/4" Push-Fit x 3/8" Stem
MPN:
The John Guest Stem Elbow with 1/4" push-fit x 3/8" stem connections is suitable for pota...
John Guest 12mm LLDPE Tubing
White
MPN:
John Guest 12mm Tubing is commonly used in conjunction with John Guest Push Fit fittings ...
John Guest 12mm LLDPE Tubing
Black
MPN:
John Guest 12mm Tubing is commonly used in conjunction with John Guest Push Fit fittings ...
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...
Filter Filter 1 Micron Carbon Block Water Filter - 1/4" Push Fit
MPN:
The Filter Flair Inline Water Filter for Chlorine Reduction is a premium inline filter o...
John Guest 10mm Push Fit x 1/4" BSP Male Straight Adapter
MPN:
John Guest 10mm Push Fit x 1/4" BSP Male Straight Adapter is suitable for connecting to m...
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.