What does an air purifier do? Its name and promised functions alone certainly sound amazing. It purifies air; it removes pollutants, allergens, dust, and other particles from the air in your room and hope, ostensibly helping you breathe better, sleep better, and live a better life all around in which you text your friends back immediately, are never late to dinner plans, and never arrive at the movies only to find the thing you wanted to see has sold out. Air purifiers can’t do all of those things, but they can do the first few.

GermGuardian AC4825 22” 3-in-1 Full Room Air Purifier, on Amazon

For asthmatics, people who suffer from seasonal allergies, and pet owners, a good air purifier is essential. But let’s expand that circle a little: As an allergy-sufferer myself, I would LOVE for my friends and lovers, even if they do not suffer from these things, to invest in one for the comfort of not just me, but anyone they bring into their homes with less-than-optimal lung efficiency. For this reason, most people should get an air purifier. More specifically, they should get *this air purifier*.

The GermGuardian AC4825 is something I’ve owned for a few years now and, anecdotally, it’s one of the best purchases I’ve ever made. More broadly, if my endorsement doesn’t do it for you, a 4-Star rating from more than 100 Amazon reviews just might. It’s efficient, it’s got a replaceable (and affordable) filter that only needs changing out every 8 months, and it creates a soft, soothing hum that aids in relaxation and sleep as much as the cleaner air does. You won’t regret the purchase.