John Guest 3 Way Stop Valve - 3/8" F x 3/8" M x 3/8" Push Fit
MPN:
The John Guest 3 Way Stop Valve with 3/8" Female x 3/8" Male x 3/8" Push Fit connections ...
3/8" Fittings
Browse reliable water filtration products, replacement cartridges and installation essentials selected for homes, businesses and specialist applications.
Filter products
Filters
John Guest Tube to Hose Stem - 3/8" Stem X 1/4" Hose Barb
MPN:
John Guest Tube to Hose Stem with 3/8" Stem x 1/4" Hose Barb connections. Suitable for p...
MCM Stem Reducing Elbow - 3/8" Stem x 1/4" Push Fit
MPN:
The MCM Stem Reducing Elbow with 3/8" Stem x 1/4" Push Fit Connections is a high quality ...
MCM Male Adapter - 3/8" NPTF x 3/8" Push Fit
MPN:
The MCM Male Adapter with 3/8" NPTF x 3/8" Push Fit Connections is a high quality fitting...
John Guest Stem Adapter - 3/8" Stem x 1/4" Male BSPT
MPN:
The John Guest Stem Adapter - 3/8" Stem x 1/4" Male BSP thread is suitable for potable do...
MCM Plug - 3/8"
MPN:
The MCM 3/8" Plug is a high quality fitting perfect for potable domestic and commercial w...
John Guest Reducing Elbow - 3/8" x 1/4" Push-Fit
MPN:
John Guest Reducing Elbow with 3/8" x 1/4" push-fit connections. Suitable for potable dom...
John Guest Stem Adapter - 12mm Stem x 3/8" Male BSP
MPN:
The John Guest Stem Adapter with 12mm Stem x 3/8" Male BSP thread is suitable for potable...
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.