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In 1970, Mitsubishi Chemical (formerly Mitsubishi Rayon) developed the world's first polyethylene hollow fiber membrane. This product has been given the highest ratings for its performance as a microfiltration membrane, and is currently in use in a wide range of application fields.

There are many potential unwanted substances that can infiltrate your drinking water between its source and your home


Cleansui’s unique and advanced filtration system uses a combination of ceramics,
activated carbon and hollow fiber membrane filters to remove these unwanted substances to provide clean and tasty water.