PURIFIERS FOR HOME ROOM Cleans large rooms up to 800 sq ft in just 60 minutes. Perfect for homes and offices. Breathe clean, crisp air and kiss your allergies goodbye 36DB LESS NOISE SLEEP On sleep mode, air purifiers for bedroom work with 36db less noise and turn off all lights for a night of comfortable sleep. The silent air purifier makes you even forget its existence. BPA free (free of industrial chemicals) baby air purifier for nursery ensures your little one sleep safe and sound. For HOME, OFFICE & TRAVELNot just for cars, you can use it on the go or in any small space, living room, bedroom, basement, toilet, office, and hotel, deodorize odors and refresh air at any time. It is also an ideal car essential gift for your parents,friends, and colleagues. FILTERLESS & CUT COSTAnion in air is like vitamin in food, which can facilitate body growth and disease prevention. High concentration of negative ions can quickly kill all kinds of bacteria and germs and make your car with natural oxygen. The portable air purifier ionizer uses negative ion purification technology, no filter element inside, so that can cut cost of period filter replacement. SLEEK & PORTABLE DESIGNThe mini air purifier ionizer has a strong Al Alloy metal body, it is compact and portable. The size of 2.7 x 2.7 x 6.4 inches The upgraded low noise technology operates at a whisper-quiet level(23 dB), cleans the air without disturbing you.