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Product: Oiko_F814523

BWT F814523 Magnesium Ion Active Filter 3 Packs [Original Licensed]



  • Block impurity particles in water
  • Absorb scale, lime and heavy metals such as lead and copper in water
  • Add the trace element magnesium required by the human body



Deliver within 2 to 3 working day(s)

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Free shipping for all Oiko Limited orders of amount above $500. Delivery fee of HK$30 will be charged for order below $500. Click HERE to see more Oiko Limited's products.



Five-step filtration for optimal taste and health

  • Precise pre-filtration to block impurity particles in water
  • High-quality activated carbon filter element has a large surface area, which can absorb residual chlorine and organic pollutants in water like a magnet, and add a small amount of silver ions to effectively inhibit bacterial reproduction
  • Ion exchange resin, which can adsorb scale, lime and heavy metals such as lead and copper in water
  • New and exclusive patent: adding the trace element required by the human body - magnesium, can improve the taste and make the water slightly alkaline
  • Fine post-filtering to ensure water quality again and remove impurity particles
  • 4-stage purification 1-stage replacement Stage 1: High-density filter: Effectively intercept large particles such as sand, hair, etc. Stage 2: Activated carbon particles: Like a magnet, absorb chlorine and impurities that destroy the taste Stage 3: Ion exchange resin : Removal of heavy metals such as scale, copper, lead, etc. Stage 4: High-precision filter: Prevent particles from flowing out, providing more protection for health
  • 1-fold replacement Innovative magnesium ion replacement technology to replace magnesium ions

Magnesium ion patent replacement technology

  • Absorb heavy metal copper and calcium ions in water to replace mg2+ H+ that can be absorbed by the human body


The importance of magnesium

  • Regulates neuromuscular excitability and improves brain performance
  • Promote cardiovascular health, prevent heart disease
  • Prevent calcium precipitation, promote calcium absorption
  • Promote metabolism, enhance immunity
  • Maintain emotional stability, reduce stress and sleep well


Product Specifications:

  • 3 or 6 Magnesium Activation filters in 1 set




General Terms:

  • Items sold are non-refundable.
  • The products are supplied by Oiko Limited.
  • All product photos are authorized and provided by Oiko Limited. 
  • If in case of any dispute, Oiko Limited and health.ESDlife reserve the right of final decision.


Delivery Terms:

  • Free local delivery service will be provided upon transaction amount of any OiKO Limited products of HK$500. For spending less than HKD$500, HKD$30 delivery fee will be charged.
  • Delivery service is only available in Hong Kong.
  • No delivery service in the following areas: Ta Kwu Ling, outlying islands(Lantau (including Discovery Bay), Lamma Island, Cheung Chau, Peng Chau, Tai O, Mui Wo, Ngong Ping), Ma Wan, Sha Tau Kok, Lok Ma Chau, Huanggang, Lau Fau Shan, Lung Kwu Tan, Tap Shek Kok, Airport.
  • We will arrange the shipment within 3 working days after the order is confirmed. 
  • Please note that the delivery time will be affected by statutory holidays, natural disasters, traffic or the weather.
  • All order confirmations are subject to stock availability. In the event of the unavailability of the requested products, Oiko Limited has the right to reject the order and notify customers by phone or email before delivery for rearrangements.



  • 1 year warranty with proof of purchase, 7 days guarantee return for manufacturer defective (Exclude any damage or loss caused by man-made or misuse)
  • Service Center:
    Flat 26-27, 6/F, Topsail Plaza, 11 On Sum Street, Shatin, N.T., Hong Kong
  • Opening hours:
    Mon-Fri: 0900 - 1700 (1300 - 1400 Lunch Time) / Sat, Sun & Public Holiday closed
  • CS hotline:
    (852) 27972210 / Whatsapp : 64133916
  • Email:


Exchange Policy:

  • Customers are responsible to check the condition of goods received at the time of delivery. Once confirmed, no replacement is accepted.
  • Products shall be kept in the original package with good conditions for return or exchange. Products that has been worn, used, or altered will not be accepted for return or exchange.
  • If any other defective or missing item is found, customers are required to keep the original receipt and contact Oiko Limited Customer Service Department via the below channels within 3 days from the date of delivery. 

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