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Doulton BTU 2501 filter + EWC 9004 filter


Doulton BTU 2501 Filter Element

The BTU 2501 filter element is the latest ceramic filter element in the UK, and it is suitable for models that used the BTU 2504 filter element before.

  • BTU 2501 Filtration Power: 0.2 Microns. Nano antibacterial technology
  • Filter life: up to 9 - 12 months / 2300 liters
  • BTU 2501 can filter out heavy metals (lead, cadmium, mercury)
  • BTU 2501 diatom porcelain filter obtained NSF 42 and NSF 53 certification
  • made in uk

Doulton EWC 9004 Filter Element

  • Effectively prevent bacterial growth
  • Adsorbs chlorine and volatile organic compounds
  • Can filter out heavy metals (lead, cadmium, mercury)
  • The filter elements are certified by NSF 42 and NSF 53
  • EWC 9004 KDF Platinum Ion Filter

doulton water filter comparison table>


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Free shipping for all Doulton orders of amount above $500. Delivery fee of HK$50 will be charged for order below $500. Click HERE to see more Doulton's products.

Comparison of 3 main filter elements

  • UCC (Basic Performance) : It is the basic version of the filter element, which is only suitable for BSP series water filters. If the simplest filtering function is required, such as isolating lead water, UCC is sufficient
  • HPU (medium performance) : suitable for a range of water filters, including the M15 series . The HPU filter adopts the "high-density pore technology" technology, which makes the micropores evenly distributed, fully exerts the function of each filtering micropore, and achieves the best filtration water quality standard.
  • BTU (High Efficiency) : Only applicable to the BTU filter element of the M12 series water filter, BioTect "nano-antibacterial technology" is added to improve product performance and efficacy, make its structure more orderly, and the pore size becomes smaller, thereby greatly improving Antibacterial function of the filter element

BTU 2501 NSF Diatom Porcelain Filter

EWC 9004 KDF Platinum Ion Filter

The filter element contains KDF material for water treatment, and the zinc-copper alloy converts pollutants into harmless substances by electrochemical redox method, and controls the growth of bacteria and algae. KDF materials are imported from the United States to ensure high quality.

Imported KDF materials from the United States to manufacture zinc-copper alloys to convert pollutants into harmless substances to control the growth of bacteria and algae. Must be used with "Doulton" diatom porcelain filter elements

Filter technology

The brand-new BioTect™ nano-antibacterial technology greatly improves the antibacterial function of the filter element.


Diatom porcelain <br />Using 100% natural diatoms, the diatom porcelain particles are very fine, and the gaps between the particles are even narrower. After solidification, a huge "microporous network" is formed inside, so it can effectively prevent Particles with a volume larger than the pores pass through, and pathogenic bacteria and harmful substances are absolutely isolated.


Silver ion <br />The diatom porcelain filter element is added with silver element to prevent the growth of bacteria. The solid structure of the ceramic absolutely prevents the silver element from falling off and dissolving into the water. The filtered water is pure and can be drunk immediately without boiling.


Activated Carbon <br />Dalton uses the most advanced extruded activated carbon, which can effectively remove harmful chemicals in water, such as chlorine, insecticides and pesticides, organic substances, and filter out odors, colors and trihalomethanes and other carcinogens.

Ion exchange material <br />ATS ion exchange resin is used, which can effectively remove heavy metal free ions such as lead.

Filterable Contaminants



International Certification


Acquired NSF 42 and NSF 53 certification from the National Sanitation Foundation

British Standard BS5750 Part II ISO 9001:2008

British WRAS certification

American Water Quality Association Certification




  • Doulton shower head has ultra-fine spray holes for enhanced water jet
  • Durable stainless steel panel for Doulton showers
  • Doulton showers can switch to tap water at any time to extend filter life
  • Purchasing the filter separately


  • Delivery Service is only restricted to Hong Kong (excluding islands, closed area and locations without elevator).
  • PO Box address is not accepted.



  • Free shipping for all Doulton orders of amount above $500.
  • Delivery fee of HK$50 will be charged for order below $500.
  • For all order ship to special area, Postage pay on delivery
    Ma Wan, Chek Lap Kok, Hong Kong Disneyland, Discovery Bay, Ngong Ping 360, Cheung Chau, Lantau Island, Mui Wo, Tai O, Peng Chau, Lamma Island



  • Ordered goods will be delivered in 5 - 7 working days (Mon to Fri, except for Public Holidays)after order confirmation. Delivery time is 9am - 6pm.
  • If there is no recipient to receive the ordered goods and the order is not successfully delivered, we can reschedule delivery again. However, there will be an extra shipping charge of (to be paid upon delivery). If Doulton (Hong Kong) Limited can’t reach our customers for rescheduling the delivery date and time in 5 working days, the order will be canceled and a refund of the balance will be arranged after deducting shipping fee HK $ 50 and special area surcharge.
  • Delivery service may be canceled or delayed due to weather, traffic, district or other factors and the delivery will be soon re-arranged.
  • In case your ordered items are not available, or your order is rejected, Doulton (Hong Kong) Limited will inform you by phone, message or email for further arrangement.


Customers can call the customer service hotline during office hours: 2796 3210 or Whatsapp 5115 6452 to make an appointment for installation (It takes 3 -5 workinf days to arrange)

Countertop Water Filter (Additaional HK$100.00 for Islands District)

  • Within 30 days from the date of purchase of the voucher - first-time installation fee HK$150.00
  • Removal of original faucet-type water filter and basic accessories included
  • When the master comes to install the machine, the inapplicable internal tooth accessories may be taken back old machine
  • Reinstallation / door-to-door maintenance fee (replacement parts will be quoted by the master and charged separately) HK$150.00
  • If it cannot be installed after visiting the door, the master will charge a HK$50.00 door-to-door/carriage fee.

Under-counter water filter: (Additional HK$100.00 for outlying islands)

  • On-site installation costs (excluding countertop drilling costs) -Independent filter faucet style (Doulton Superior Pillar Tap) HK$350.00 - 3-in-1 faucet style (3-Way Mixer Tap) HK$580.00
  • Countertop drilling fee (glass or porcelain countertops cannot be drilled) HK$120.00 (Please note: if the concrete structure is thick (3 inches), it may not be possible to install an under-counter water filter) or on-site charge quotation
  • Removal of old under-counter water filter or faucet HK$80.00
  • Installation of pressure reducer (recommended by the installer depending on site conditions) HK$350.00 (Required installation: plastic case, water pressure over 6 bar or stainless steel case: water pressure over 8 bar)
  • Installation after 7:00pm will incur an additional surcharge of HK$100.00

In order to avoid affecting the dark throat in the wall, the master will only install the water filter bracket on the wooden board of the kitchen cabinet.

If other accessories are required for installation due to the on-site environment, the cost of accessories will be quoted by the master. If there is any dispute over the installation fee, the company reserves the right of final decision.

For relocation installation / undermount water filter repair, decap or other services, please call 2796 3210 or Whatsapp 5115 6452 Contact customer service for a quote


  • All goods are imported officially and maintenance service is provided by Doulton (Hong Kong) Limited
  • keep the product warranty card (if any) and the invoice.
  • If you buy a product with anti-counterfeiting label, please cut off the label and attach it to the invoice to enjoy the warranty service.
  • Please complete the online-registration within 30 days from the day of purchase. We guarantee to offer 12 months free maintenance service from the date of purchase (excluding all doulton filter candle)
  • Online-registration: https://forms.gle/1t7Cxbr4GBwAwjiK7
  • Product warranty applies only to Hong Kong only.
  • Doulton (Hong Kong) Limited is not responsible for any direct or indirect losses caused by product damage.


> Doulton (Hong Kong) Limited customer service hotline: 2796 3210
> This Product is provided by Doulton (Hong Kong) Limited
> Should any dispute arise, Doulton (Hong Kong) Limited and health.ESDlife reserves the right of final decision

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