水滴偷拍在线看,日本特黄色视频免费,thav在线观看,婷婷国产视频,在线视频123区,免费看毛片中文字幕,亚91色日,蜜桃臀AV在线,男人的天堂Av在纯

Alpha50 Air Purifier

Alpha series air purifiers adopt photo-hydrogen ionization purification technology to produce purification factors including hydrogen peroxide, hydroxyl ions, superoxide ions, pure negative ions, etc. Through molecular diffusion and air circulation, it can actively capture harmful pollutants in indoor air, carry out comprehensive and thorough purification treatment of indoor air, improve the self-purification ability of indoor air itself, efficiently sterilize and disinfect, and at the same time, it can perfectly remove second-hand smoke, eliminate toxic and harmful substances such as formaldehyde, benzene and TVOC, and settle particulate matter such as PM2.5