Invention - Indoor Filtration System

People here will have a new, relatively inexpensive way to protect themselves at home if haze returns, as feared in the next few months.

Researchers from the National University of Singapore (NUS) have come up with a new indoor filtration system that can dramatically reduce levels of small toxic particles called PM2.5.

High concentrations of the particles can cause eye and lung irritation in the short term, and could lead to lung and bladder cancer if inhaled over long periods.

The system – which consists of a filter and cover fitted over a fan – can also reduce volatile organic compounds associated with the smell of haze.

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