Whether you’re battling allergies, trying to keep pet dander and dust at bay or want to help clear your home of environmental pollutants like smoke or smoggy air, having access to a great air purifier can be a great asset.

Bissell’s air purifier has three filters built in, so it can suck invisible pollutants out of the air as well as more obvious ones, like pet hair and lint. It’s fast-acting, too, as one customer shared, “Within 20 minutes of running, I could definitely smell the difference in the air.”

If you’re constantly coughing, sneezing, or dealing with allergies, finding the best air purifier for your home can help. Air purifiers are designed to remove contaminants like dust, mold, smoke, and odors to improve indoor air quality—and research shows they can be highly effective.

Given the rising need for cleaner air, it’s no surprise that air purifiers are high on many people’s wish lists — and becoming more affordable than ever. This week, you’ll find some of the best deals on air purifiers, making it a great time to invest in one.

The best air purifiers can help filter fine particles, gases and other pollutants from the air you breathe. See our top picks, plus tips from qualified experts.