Breathe easy! Amazon shoppers are in love with these air purifiers — plus they're half off!

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Whether you have asthma, allergies, or if you share a home with pets, you need to ensure your air is free from dander, allergens, and other pollutants. What you need is a world-class air purifier, and you’re in luck — Amazon has several top-rated options marked down.

Select Blueair air purifiers are on sale for 50 percent off. You and your family can breathe a little easier!

The big standout from this sale is on the Blueair Classic 480i Air Purifier. It’s on sale for $345, or $345 off retail. This device is perfect for moderate-sized rooms up to 400 square feet, including bedrooms, living rooms, home offices and kitchens.

Here’s how it works: The air purifier uses electrostatic charge and its mechanical filtration system to efficiently clean the air, while removing nearly 100 percent of most allergens, such as dust, mold, pollen, pet hair and dander and other pollutants.

The Classic 480i model is WiFi-enabled, so it can be controlled with your smartphone via the Blueair friend app. Of course, it’s also compatible with the Amazon Alexa voice assistant, so the purifier just by talking to it. How convenient!

Blueair Classic 480i Air Purifier

Save 50 percent on Blueair Classic 480i Air Purifier. (Photo: Amazon)
Save 50 percent on Blueair Classic 480i Air Purifier. (Photo: Amazon)

Shop it: $345 (was $690),

“I got this for a small dusty room in my house and it works great,” wrote a delighted shopper on Amazon. “Makes the air noticeably cleaner, as in I don't see the white dust settling on my desk as much as it used to. I also find the air more breathable, as in I feel less congested and less prone to coughing. The solid metal body makes for one high-quality, durable, and good-looking unit. Virtually silent on the lowest setting. Creates a smooth, not too loud, and rather soothing white noise sound on the highest setting. The filter is easy to access for replacement. It comes with a digital 182-day countdown timer (batteries included) that is magnetized, so you can stick it somewhere convenient where it can remind you to replace the filter.”

If you’re looking for a little bit more power or just have a bigger room, Amazon also has the Blueair Classic 605 Air Purifier on sale for $415, or 50 percent off its list price. This model can cover rooms up to 700 square feet. Either way, allergens and dust don’t stand a chance.

Shop it: Blueair Classic 480i Air Purifier, $345 (was $690),

The reviews quoted above reflect the most recent versions at the time of publication.

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