4 STAGE FILTRATION: The protective shell, pre-filter, true H13 HEPA filter and high-efficiency activated carbon filter capture pollens, pet hair, dander, smoke, odor, and large dust particles, removing nearly all airborne contaminants.(The adapter is inside the filter. And please don’t drop the air purifier from a high place) AIR PURIFIERS LARGE ROOM: With the high-efficiency filtration system, the room air purifier covers an area up to 1095ft². This sleek design of air purifier for home fits in any space from small to large rooms, bedrooms, living rooms, offices, nurseries, kitchens and basements. Perfect air purifier for pet owners, babies, children, the elderly, or anyone wanting to improve air quality 20DB QUIET AIR CLEANER & NIGHT LIGHT: With advanced motor, the 20dB noise level in sleep mode is almost voiceless. This air purifiers for home large room pets cleans air quietly, doesn't affect your work, study or sleep. All lights can be turned off to enjoy a perfect night of sleep 4 FAN SPEED & 4 TIMER SETTINGS & FILTER REMINDER: Adjust the required fan speed mode (Low/Medium/High/Sleep) to capture as much air pollutants as required according to the size of rooms and and air quality. 4 timer options (2H/4H/6H/8H) allow you set the operating time. When the air filter has been used for over 2160 hours, this RESET light will flash indicating you need to replace a new filter. (Search for more filters: B0C5X8PYDR) QUALITY ASSURANCE & NO-WORRY PURCHASE: Our HEPA air purifier for the bedroom does not produce ozone, no UV-light, totally environment friendly. Complies with California air resources board (CARB) for indoor cleaning devices. Also