<p>Benefit from Dyson's over-engineering. This refurbished air filter fan pulls pollutants out of your environment while creating a pleasant breeze. </p> <p>The post <a href="https://www.popsci.com/gear/dyson-air-filter-fan-walmart-deal/">You can get a $329 Dyson air purifying fan for just $179 while they last</a> appeared first on <a href="https://www.popsci.com">Popular Science</a>.</p>