Blueair is the system for people living with allergies, asthma, or other respiratory conditions, or for anyone who wants cleaner, more breathable air. blue是制度，为患有过敏症，哮喘或其他呼吸系统条件，或为任何人要想更干净，更清新的空气。

The 301 effectively purifies air in rooms as large as 209 square feet. 301有效净化空气房间多达209万平方英尺。It uses patented two-stage HEPASilent (TM) technology to capture 99.97 percent of the tiniest .1 micron particles, including allergy-provoking pollen grains, dust mites, mold spores and pet dander particles. 它采用两阶段hepasilent ( tm )技术来捕获99.97 %zui小，1微米颗粒，其中包括过敏的花粉，尘螨，霉菌孢子和宠物毛屑颗粒。

This same filter technology earned the larger Blueair 501 Best of Class ranking in independent testing of Clean Air Delivery Rates. 这个过滤技术赢得更大blue 501*级独立测试空气清新交付率。301条规定相比表现为规模较小的房间。