Tired of the stale, fetid air looming over your apartment like a cloud? Check out the Coway Airmega Mighty, an already wallet-friendly home air purifier that's even cheaper right now as part of the Amazon Big Spring Sale. It's currently marked down to just $154, a $76 discount from its typical price, but you'll want to move quickly if you're interested, as the deal is only available for a limited time.CowayAmazonCowayDespite its low price tag and squat stature, the Airmega Mighty is capable of c