【Product Specifications】 ・Shape: Cylindrical ・Size: Diameter approx. 22cm × Height approx. 36cm ・Cord Length: Approx. 1.83m ・Weight: Approx. 3.5kg This is the Levoit Core 300, popular for its quiet design and high dust collection performance. Operation has been confirmed, and you can use it immediately after purchase. I used it for one year, and there were no problems at all. Please consider purchasing if you understand that this is a used item.