Here to help : 01352 838281

OneFlow® is the best and most ecologically sound alternative to a water softener. 

You can treat just your drinking water or better still, your whole house. 

Below you'll find our replacement cartridges for the Watts OneFlow® water filters that we do. 

For technical information about OneFlow® CLICK HERE or read our blog post HERE.

We recommend you change your water filter housing o-ring every 2 years. 

If you'd like to talk about OneFlow to see if it's the right product for you then contact us on 01352 838 281 or send a message through our Help Desk.

  • Pearl OneFlow Hard Water Filter Replacement Cartridge

    Pearl OneFlow Hard Water Filter Replacement Cartridge

    Replacement water filter cartridges for our Pearl OneFlow hard water filter. Free UK P&P on all water filter cartridges from Fountain Filters.

    26.66 ex VAT)
    £31.99

    Quantity:

  • Moby Oneflow Hard Water Filter Cartridge

    Moby OneFlow Hard Water Filter Replacement Cartridge

    Free UK P&P on all our replacement water filter cartridges. Watts OneFlow cartridge.

    59.99 ex VAT)
    £71.99

    Quantity:

  • Doby OneFlow Water Filter Cartridge - Watts

    Doby OneFlow Water Filter Cartridge

    Replacement water filter cartridge for our Doby OneFlow mains hard water filter.

    116.66 ex VAT)
    £139.99

    Quantity:

  • Oyster Taste and OneFlow hard water filter replacement cartridges

    Oyster Taste and OneFlow Hard Water Filter Replacement Cartridges

    Replacement water filter cartridges for our Oyster Taste and OneFlow hard water filter. Free UK P&P on all water filter cartridges from Fountain Filters.

    37.49 ex VAT)
    £44.99

    Quantity:

  • Moby Taste and OneFlow Hard Water Filter Replacement Cartridges

    Moby Taste and OneFlow Hard Water Filter Replacement Cartridges

    Free UK P&P on all our replacement water filter cartridges. Carbon block cartridge and Watts OneFlow cartridge.

    94.99 ex VAT)
    £113.99

    Quantity:

  • Replacement Media for OFRES Hard Water Filters

    Replacement Media for OFRES Hard Water Filters

    Buy the correct quantity of OneFlow replacement media for your Ofres hard water filter. Free UK standard delivery.

    186.66 ex VAT)
    £223.99

    Quantity:

Watch the OneFlow product information video below.

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