Our Industry experts concur that filtration is vital when choosing an air purifier, and highlight two important variables in obtaining helpful filtration: HEPA filters and an correct CADR. ฝุ่นละออง, เชื้อรา, ละอองเกสร และแบคทีเรีย To help aid the investigation, you may pull the corresponding mistake log from the Net server and post waiting for link from Social Network Posts (34)