【Compact Air Purifier | Suitable for 13-20 Tatami Mats, Ideal for Pollen Allergy Relief】 Addresses various air concerns such as pollen, viruses, bacteria, dust, mold, allergens, PM2.5, pet hair and odors, tobacco smoke, and musty smells. This room air purifier supports the creation of a comfortable space. The built-in electrostatic HEPA filter has twice the dust collection capacity of conventional models and can remove 99.97% of fine particles down to 0.1μm, including pollen, dust, allergens, mold, house dust, and PM2.5. 【Negative Ion Generation, Odor Control, and Energy-Saving Design】 This compact air purifier is perfect for the humid rainy season! During periods of high humidity, you may be concerned about the growth of bacteria and mold, as well as unpleasant odors from indoor drying. This single unit can effectively solve these air problems. It adopts the latest energy-saving design, with a power consumption of less than 3W. The electricity cost is only about 0.078 yen per hour, and less than 2 yen per day even when running 24 hours a day, making it very economical. 【Quiet Design Air Purifier | Sleep Mode and Automatic Light-Off Function】 With independently developed quiet technology and the latest structural design, the operating noise is reduced to only about 25dB. With a quieter operation than a library, you can use it comfortably during the day and at bedtime. When switched to sleep mode, the LED light automatically turns off if there is no operation for 3 seconds. It does not disturb the sleep of babies and pets who are sensitive to light and sound. 【For Tobacco and Pet Odor Control | Compact Air Purifier】 This air purifier, specialized in odor control, adopts a 3-layer structure of a pre-filter, electrostatic HEPA filter, and high-performance activated carbon filter to powerfully purify air pollutants and odors. Especially with the highly absorbent activated carbon filter, which has excellent deodorizing effects, it can handle a wide range of odors, including tobacco smoke, pet body odor/urine odor, cooking and living odors, and stuffy smells in the entrance. It is perfect for those who are sensitive to odors and for households with pets. Furthermore, it captures viruses, bacteria, and harmful substances floating in the air, firmly protecting the health of your family.