The AiroDoctor Mini air purifier is equipped with a 4-stage filter system that ensures comprehensive and thorough cleaning of the room air. The AiroDoctor Mini works particularly environmentally friendly without any chemicals. Perfect for car, desk or face-to-face meeting. - Noise level (max.) 55dB. (level4) - Filter type H11 HEPA filter, photocatalytic UV LED filter - Air quality indicator light 3 levels / good (green), average (blue), red (poor) - Power consumption 12 W - Weight 425g - External dimensions 75 (W) × 75 (D) × 210 (H) mm The AiroDoctor is certified as a medical device according to ISO13485.