Get serious about your home's air quality with $200 off the Dyson Purifier Big + Quiet

As of Nov. 12, get the Dyson Purifier Big + Quiet for $899.99 at Amazon, down from its usual price of $1,099.99. That's $200 ...
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Redditor makes Rs 2,000 DIY air purifier that brings AQI from 380 to 50 in just 15 minutes

A Reddit user went viral after building a DIY air purifier for just Rs 2,000 that reportedly performs better than branded ...