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Made in the UK

Cold Water Tap Filter Moby

Our bestselling mains water filter that will dramatically improve the taste and smell of your mains water by removing chlorine and sediments.

Quantity: Available: -2


Product SKU: FFFKM015



Improve the taste and smell of your mains water and remove chlorine and sediments.

Our Moby mains water filter fits to your cold water tap so there's no need for a separate water filter tap.

This is an undersink water filter and when fitting allow for a minimum of H 38cm x W 30cm x D 18cm.

Your kit will include:

  • 1 x big blue filter housing
  • 1 x white housing bracket
  • 1 x 5 micron activated carbon block cartridge (Watts WCBFF975) or you can select the MAXCL-FF975 for maximum chlorine reduction. 
  • Either 1/2 for 15mm or 3/4 for 22mm ports
  • Isolating flexis (no need for extra ball valves)
  • 1 x double check valve
  • 1 x housing spanner
  • Fitting instructions for your plumber

Cartridge details:

  • Watts WCBFF975 coconut shell carbon block filter cartridge for chlorine, taste, odour and sediment reduction.
  • 5 micron / 4.5 x 10"
  • Outperforms GAC cartridges as it has superior chlorine reduction (up to 99%), lower pressure drop, will not channel and costs less than a GAC cartridge.
  • Media wrap between centre tube and carbon block to reduce carbon fines.
  • 100% coconut shell carbon.
  • FDA grade components and materials.
  • Recommended flow rate - 4 gpm
  • Maximum operating pressure: 125 PSIG
  • Operating temperature: 10°C - 52°C / 50°F - 125°F
  • Chlorine reduction - >10,000 Gal @ 2 gpm
  • Tested and certified under NSF / ANSI standard 42 for materials only.
  • Replacement Watts WCBFF975 cartridges are £39.99 and we send email reminders

or on some occasions a Pure CTO 4510-05 cartridge may be used in the kit. This does the same job as the Watts WCBFF975. They're just different brands.

  • Pure CTO 4510-05
  • 4.5 x 10
  • 5 micron
  • 12,000 gallons @ 2.0gpm or 12 months; whichever comes first
  • Certified NSF/ANSI standard 42 for materials only
  • Certified by ISO 9001
  • Performance tested and verified by independent laboratory testing
  • Replacement CTO 4510-05 cartridges are £39.99 and we send email reminders every 6 months

As an alternative to the Watts WCBFF975 (or Pure CTO 4510-05) you can select the C Max carbon block water filter cartridge for longer life and high chlorine reduction. Here's some details on the Watts MAXCL-FF975...

  • Solid block activated carbon for long life
  • Reduction of certain VOC's
  • Thick wall for greater chlorine, taste and odour reduction
  • Highly effective chlorine, taste and odour reduction through 70,000 gallons at 2 gpm flow rate. It will also be effective at higher flow rates e.g. 35,000 gallons at 4 gpm. 
  • Reduces fine sediment and rust particles
  • 0.5 micron nominal filtration
  • Temperature range 40-165°F (4.4-73.8°C)
  • Fits standard full flow & BB filter housings 4.5 x 10"

Do I have to install a mains water filter under my sink?

No, you don't. You can install your mains water filter wherever the cold water supply enters your house. This could be a utility room, garage, or other location. 


* Watts components are sometimes replaced with other similar quality items due to supply chain issues. Brassware and other plumbing accessories are sourced from UK suppliers.

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