This air purifier removes over 99.97% of fine particles with an electrostatic HEPA filter and Plasmacluster technology, and efficiently cleans the air with a speed circulation airflow. - Brand: SHARP - Filter Type: Electrostatic HEPA Filter - Features: Plasmacluster equipped - Dust Collection Rate: Over 99.97% - Air Circulation Method: Speed Circulation Airflow Thank you for viewing. Made in 2021. Used once after filter replacement at the beginning of the year. Shipping will be in a box. I would like to answer any questions as much as possible, so please feel free to ask. #AirPurifier #Plasmacluster #SHARP