Compact & Portable This plug-in portable Air Purifier size at: 11 x 3.8 x 2.5 cm / 4.3 x 1.5 x 1 in. Small, lightweight, compact, and travel-friendly, making it a great mini air cleaner. Effective Air Purifier For Home Large room? No problem. Simply plug into any standard outlet and replace bulky air purifiers with a simple, filterless, plug-in device. May Help With Allergens Negative ions attach to floating allergens like dust, dander, pollen, and more. Use this air ionizer for pets and pet dander. We use negative ion technology, which means you won't have to spend time and money on replacement air filters. Refresh & Relax If you struggle with allergies, low-quality sleep, congestion, or symptoms caused by pet dander, the Mini Air Purifier is ready to help you create a comfortable space. Perfect For Every Room Designed for home air rejuvenation, the perfect plug-in air units for office, bedroom, bathroom, kitchen, living room use and more, creating less clutter and more fresh air.