Hyundai KDF Shower Filter (Additional  Details)

Water & Health and The care of Skin

Seventy percent of the body and eighty percent of body fluids consist of water. Water plays an important role to stay our healthy and improve as well for your skin and hair. 

Tap water is treated with chlorine but on the way the treatment by chlorine, some trihalomethane and chloroform which are cancerogenic, can be developed.

That’s why people use water purifiers for their drinking water and any purified water. However people do not consider the importance for shower water and wash up water.

Healthy Water For Our Body. 

1. Free residual chlorine and an organic compound water.
Safe Water which Chlorine, some poisonous substances-Trihalomethane, and chloroform are removed.

2. Regenerated water with Anti-oxidizing power.
Regenerated water raises our skin’s immunity and it stimulates sweat glands, hair root, sebaceous gland activity so that some toxic particles in the human body can be pushed it out thus helps your skin healthier and fresher.

3. Mineral Water with sterilizing power.
Mineral water by natural resources such as iron, copper, magnesium, manganese, calcium has sterilizing power and is more safer than general 

acidic water. This mineral water will help your skin and hair stay healthy without all the dryness and skin troubles. 

4. Weak Alkaline water and soft water.
Alkaline water increases the surfactant action and softer water improves cleaning effect and moisturizes your body as well skin.


Kinetic Degradation Fluxion (KDF-55) Water Filters 

Kinetic Degradation Fluxion (KDF) is a high-purity copper-zinc formulation that uses a basic chemical process known as redox (oxidation/reduction) to remove chlorine, lead, mercury, iron, and hydrogen sulfide from water supplies. The process also has a mild anti-bacterial, algaecitic, and fungicitic, effect and may reduce the accumulation of lime scale. 

KDF process media is used in pre-treatment and primary treatment applications to supplement or replace existing technologies in order to extend system life and to reduce heavy metal contamination, chlorine and hydrogen sulfide.

It is often combined with other technologies to achieve superior overall results. Because of its effectiveness at higher water temperatures, it is often used on shower water filtration systems to remove chlorine and other contaminanats.

The technology was developed by KDF Fluid Treatment, Inc. in the mid 1980s and was patented in 1987. KDF filter media meets EPA and Food and Drug Administration standards for levels of zinc and copper in potable water, and is certified by NSF international to its Standard 61 for drinking water. 

How it Works 

In short, the KDF redox process works by exchanging electrons with contaminants.

This “give and take” of electrons converts many contaminants into harmless components.

During this reaction, electrons are transferred between molecules, and new compounds are created. Some harmful contaminants are changed into harmless components.

Free chlorine, for instance, is changed into Benign, water-soluble chloride salt, which is then carried harmlessly through the water supply.

Many heavy metals such as copper, lead, mercury and others, react and bond with the KDF medium’s surface, thus being effectively removed from the water supply. 


KDF filters are used most often in conjunction with an activated carbon filter. They prolong the life and increase the effectiveness of carbon filters by reducing chlorine build-up. They also supplement the activated carbon filters by removing heavy metals, something that carbon-based filters are not very effective at removing.

KDF is also frequently found in home showerhead filters because of its effectiveness at higher operating temperatures and flow rates.


What Contaminants does KDF remove?

KDF process media will reduce or remove chlorine, iron, hydrogen sulfide, lead, mercury, magnesium, and chromium, and may inhibit the growth of bacteria, algae, and fungi.

Redox media remove up to 98% of water-soluble cations (positively-charged ions) of lead, mercury, copper, nickel, chromium, and other dissolved metals. While removal rates depend on a number of factors, more than 98% of chlorine is removed by KDF in home water treatment systems (90% in shower water filters due to high flow rate).

Note : Chart below is based on KDF-55 combined with basic activated carbon filter.
Arsenic Bacteria and Viruses Bad Tastes & Odors Chlorine Fluoride Hydrogen Sulfide Heavy Metals Nitrates Radon Sediment Iron VOC’s
●=Effectively Removes ◐=Significantly Reduces ○=Minimal or No Removal

How are chlorine, iron, hydrogen sulfide and heavy metals removed?

* Chlorine removal KDF 55 medium can 

In short, the KDF redox process works by exchanging electrons with contaminants. This “give and take” of electrons converts many contaminants into harmless components. During Remove over 99% of free chlorine by electrochemically reducing dissolved chlorine gas to water-soluble chloride ions. For chlorine removal in point-of-use applications, KDF media is incorporated in to shower filters and into cartridge at the tap.


* Iron removal KDF process media

Remove iron from water, either alone or in combination with other treatment technologies used at the point-of-entry. KDF process media act as catalysts to change soluble ferrous cations into insoluble ferric hydroxide, which is easily removed by regular backwashing. KDF 85 medium removes more than 90% of iron from groundwater supplies.


* Hydrogen sulfide removal KDF 85

Medium eliminates H2S by converting the hydrogen sulfide gas to insoluble sulfide, and inert, harmless precipitant. When hydrogen sulfide contaminated water enters the KDF filter, the copper in the KDF media loses an electron and the sulfur gains an electron and copper sulfide and water are formed. The copper sulfide is insoluble in water and can be backwashed off the KDF filter media. Periodic backwashing eliminates accumulations of the precipitant from the media bed.

* Heavy metals removal 

KDF 55, KDF 8s and KDF-C media can remove up to 98% of water-soluble cations (positively-charged ions) of lead, mercury, copper, nickel, chromium, and other dissolved metals. When filtered through KDF media, soluble lead cations are reduced to insoluble lead atoms, which are electroplated onto the surface of the media. Other heavy metals bond to the media and may be recovered when the exhausted media pass through a copper smelter.


– Effective removal of wide range of contaminants
– Cost effective
– Extend life and efficiency of carbon (GAC) filters
– Remains effective at higher water temperatures


– Best when combined with other filtration technologies for full spectrum protection. 

Typical Maintenance Requirements

KDF filters require little or no maintenance. It is recommended that they be replaced approximately every 8 months to 1 year, depending on the application. To reduce fouling And pre-mature expiry of your KDF filter, if your water supply has a high sediment content / turbidity, you should consider a sediment pre-filter (whole-house or point of use)

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