Home / Water Filter Cartridges / Mains Water Filter Cartridges
Below you'll find replacement water filter cartridges for our Moby and Doby mains water filters.
If you can't find the water filter cartridge you're looking for then either call us on 01352 838 281 or send us a message through our help desk.
We recommend you change the o-ring every couple of years, so if you haven't changed it recently just select o-rings from the drop down menu on each product below. See below for 'Why do I need to change the o-ring?'
Free standard postage for all deliveries within the UK.
You can put used cartridges in your household recycling bin.
You can tell if the seals start leaking, which is obvious, we know.
Even if there are no leaks you may find that the profile of the O ring becomes flattened because of prolonged time under compression. The cross section should be round and if it's not it may not seal easily.
However, we recommend that you replace the O rings every two or three years as a precautionary measure.
One of the main reasons for changing O rings periodically is that as they age and compress, the housing bowl needs to be tightened excessively. That leads to difficulty loosening the bowl from the cap next time the cartridge needs to be replaced.
We're here to help! Our dedicated helpline is ready to answer your questions and provide solutions.
Free standard delivery in the UK on all water filter products.
Shop with confidence knowing our water filters have a 12 month guarantee.
Change of mind? Exchange or return any product easily.
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Allen & Allen t/a Fountain Filters,
Strowger House, Sandy Lane Ind. Est.
Newcastle upon Tyne, NE3 5HE, UK.
https://w3w.co/pipes.ranked.dates
VAT Reg: 370859370