Priestley Small Air Purifiers for Home Bedroom Dorm Office Desktop, 20dB Quiet 3-in-1 HEPA Air Purifier with Essential Oil Diffuser, Air Filters Smoke, Allergies, Pet Dander, Odor, Dust

With the use of fossil energy, air pollution is becoming more and more serious. The Priestley Air Purifier is designed to address this challenge and ensure that your family and loved ones breathe clean and healthy air.

3-Stage filtration system, 99.97 percent filtration efficiency for 0.3μm airborne particulates, including pollen, dust, smoke, odor and pet dander allergens. (Tested by an independent lab.)

Powerful Cleaning in Every Room- Bedroom, kitchen, Nursery, Office, or Living Room, with Priestley Air Purifier. Our Small Air Purifier Covers up to 346 ft², Refreshes the Air of 69 ft² Room 5 Times, 2 Times of 173 ft², 1Time 346 ft² in an Hour.

Take Out the Aroma Pad Below the Purifier Air Outlet and Add 4-5 Drops of Your Favorite Essential Oil (Not Included). With the Flow of the Fresh Air, the Fragrance Will Follow it to Circulate to Every Corner of Your Room.

In Quiet Sleep Mode, the Small Air Purifier and the Fan Will be Reduced to the Lowest Speed. You Won't Hear Any Sound Anymore, But the Purifier is Still Working. Filtered Air Keeps Noise Levels as Low as 20dB While Keeping Your Space Fresh.