... negative ion releasing 2. Stylish tower shape 3. With fan 4. With Timer 5. Portable Smart Negative Ion Generator Home Air Purifier ... remove household airborne particles.such as dust, pollen, smoke, cooking soot, pet dander and irritants ect.Product Specification:1. Size ... people breathe fresh air. 6. Can remove dust, tobacco smoke, cooking soot, pollen, irritants etc. 7. No filter used: needn' ...