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altCOWAY
has promoted a healthy and comfortable life for consumers as its meaning suggest - always together. 

Made with Coway's exceptional core technology, our highly competitive products are popular in more than 30 countries around the world.

As the world's largest specialist in water filtration devices and the leading wellbeing household electronics company, Coway has developed a product line that meets the diversified needs of global consumers through ongoing research on environmentally friendly home appliances in a wide range of product categories.

Coway products include air purifiers, water filtration devices, digital bidets, megasonic cleaning device, and other well-being home appliances.

Coway's industry-leading market share in Korea ranges from over 50 percent for water filtration devices to 40 percent for air purifiers.

Currently, more than one out of four Koreans use Coway water filtration devices, and one out of ten uses Coway's air purifiers.

In 2008, Coway achieved KRW 1,117 billion (USD 1.2 billion) in revenue, representing a 10.9 percent increase from the year before.

Coway’s Water Filtration System

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STEP 1 (PLUS SEDIMENT FILTER FOR REMOVAL OF PARTICLES)

This plus sediment filter has the functions of removing infusible particles from feed water and protecting the membrane and pre-carbon filter from becoming clogged up.
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STEP 2 (PRE-CARBON FILTER FOR REMOVAL OF CHLORINE AND VOCS)
The pre-carbon filter effectively adsorbs and removes chlorine and VOCs from water. It not only protects the membrane filter but also effectively eliminatesr emaining chlorine.
alt STEP 3 (REVERSE OSMOSIS MEMBRANE FILTER FOR THE REMOVAL OF VARIOUS POLLUTANTS)
Through its 0.0001 – micro pores, RO membrane filter is capable of removing water contaminants such as heavy metals, water-borne microorganisms and other harmful organic chemicals.
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STEP 4 (POST CARBON FILTER FOR ODOR REMOVAL AND WATER TASTE IMPROVEMENT)
The post carbon filter whose performance has been doubled through the use of coconut husks, removes odor-causing substances. Silver ions have been added to prevent the breeding of microorganisms and improve water taste.
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STEP 5 (FINE FILTER FOR REMOVAL OF FINE DUST)
This fine filter removes fine particles or dust, and other impurities in the water.
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STEP 6 (CERAMIC FILTER TO PREVENT THE GROWTH OF MICROORGANISMS)
The ceramic filter controls the growth of microorganism and improves overall sanitation and water stability. 

* specifications may differ slightly for each model.