IIT Delhi researchers develop cheapest respiratory filter: Business Standard

” Researchers at Indian Institute of Technology (IIT) here have developed a respiratory filter which not only restricts entry of up to 95 per cent dust and air pollutants but is also the cheapest naso filter available.

The device ‘Nasofilters’, a nano-respiratory filter involving a cost of Rs 10, is ready for commercialisation and gives protection against the finest particulate pollutants in the air for at least eight hours and hence reduces risk of respiratory diseases. ” Business Standard

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