Tag: AQI filtration systems

A filtered ventilation solution using an IQAir purifier (left), and a Philips AC4221 smart air purifier with multi-layer filtration. (HT Photo)
Posted in Business

Filtered ventilation and passive purifiers: Decoding air quality for homes

The air quality is severe in most cities in North India. Very poor, if we get lucky on some days. Our cities are enveloped in…

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