FreAire Air Purifiers for Home, KN-6391 Air Purifiers Air Cleaner For Smoke Pollen Dander Hair Smell Portable Air Purifier, BlackAbout this item HIGH PERFORMANCE: The air purifier KN 6391 is a perfect choice for healthy living. It has an ultra small size of 6. 1 x 6. 1 x 9. 7 inches, but with incredible performance: CADR of 215 square feet in 12 minutes. REFRESH & RELAX: Dual side intake and top outlet. If you struggle with allergies, low quality sleep, congestion, or symptoms caused by pet dander, the FreAire Air Purifier is ready to help you create a healthy space. QUIET