If you’re finding your office, study, or bedroom a little stuffy, you may want to consider an air purifier.We’ve got a roundup of the best air purifiers around, and our favorite budget option, the BlueAir Blue Pure 411i Max, has just seen a discount to make it even more budget-friendly over at Amazon.The retailer is offering the BlueAir Blue Pure 411i Max for $118.99, a saving of around $51 on an air purifier we’d happily pay full price for.You can get the BlueAir Blue Pure 411i Max on sale right now at Amazon for $118.99As our staff writer Anna Gora said in her comprehensive 4.5 star Blue Pure 411i Max review:”The BlueAir Blue Pure 411i Max is compact, whisper-quiet and easy to use, but more importantly, it delivers an excellent air-cleaning performance without breaking the bank, making it one of the best budget air purifiers on the market.”Read our Amazon Prime Day science deals page for big discounts on the best health and fitness kit and science gear as we enter the summer sales event.What makes it worth a look? Despite being small and relatively unobtrusive in nature, this air purifier can clean up to 526 square feet of pet hair, dust, debris, and just about anything else.Get the world’s most fascinating discoveries delivered straight to your inbox.Perhaps the best part is that it does all this almost silently, even at the fan’s fastest speed, so you won’t even notice it in action.It’s definitely best for smaller rooms, but you can move it around, too, since it only weighs 7.5lbs. In our testing,m it did particularly well with smoke and reduced airborne particles by up to 75% in 30 minutes on its Auto Mode – not bad at all for something in such a small package.Image 1 of 8The BlueAir Blue Pure 411i Max is compact(Image credit: Anna Gora)Changing the filter is easy(Image credit: Anna Gora)The BlueAir Blue Pure 411i Max looks like an old Alexa model in some regards(Image credit: Anna Gora)It’s great at clearing small rooms(Image credit: Anna Gora)The intake on the BlueAir Blue Pure 411i Max(Image credit: Anna Gora)A closer look at the intake (Image credit: Anna Gora)The BlueAir Blue Pure 411i Max uses a slimline power cable that’s easy to keep out of reach(Image credit: Anna Gora)(Image credit: Anna Gora)Key features: Great for small rooms, easy to use, very quietPrice history: This is the best price we’ve seen, aside from when it dropped to $120 in June before shooting back up again in what could’ve been the shortest sale ever – or an accidental price drop.Price comparison: Amazon: $118.99 | Best Buy: $118.99Reviews consensus: An ideal air purifier option for a smaller room where you don’t want to ruin the feng shui, the BlueAir Blue Pure 411i Max is compact and, dare we say it, almost stylish in its design. Still, it won’t draw attention to itself since it’s nearly silent in use.TechRadar: ★★★★★ | Toms Guide: ★★★½ | Live Science: ★★★★½✅ Buy it if: You want to clean the air in an office, study, or bedroom, and want to do so on a budget.❌ Don’t buy it if: You want to cover a larger area – BlueAir makes larger air purifiers that will likely do the job.Check out our other guides to the best air purifiers, air purifiers for allergies, the best telescopes, microscopes for students, binoculars, rowing machines, electric toothbrushes and more.Today’s best Blueair Blue Pure 411i Max deals