The Blueair 402 air purifier, perfect for silent air cleaning in your bedroom

The Blueair 402 air purifier is an air purification system designed for people who have allergies, asthma or other breathing problems. Blueair air cleaners use a patented HEPASilent filter technology that can capture 99.97% of the tiniest 0.1 micron dust particles floating in the air. The Blueair 402 is the quietest air filtration system in the industry, using a low-density filter to achieve this.

The HEPAsilent technology is amazing , it can trap almost 300% more dirt than the average air purification system out there, and it's virtually silent. Perfect for the bedroom since you can barely hear this purifying machine running. The Blueair 402 has an award-winning design and is highly energy efficient. You can control the airborne pollutants with the 4-speed system.

The design of this Blueair air filter is very sleek, looking like a computer hard drive. The Blueair 401 model is for room sizes up to 365 square feet of room. Also the 402 from Blueair has the best clean air delivery rate (CADR) of any air purifier in its class.

There isn't much maintenance with this cleaner, the only thing you need to replace are the filters. And they only need replacing every six months, a process that only takes about 30 seconds. You can find replacement filters online for cheap, so don't even that an issue.

Other models from Blueair that you might want to review include, 201, 601, and the Blueair 501.

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