➖|NEGATIVE ION TECHNOLOGY| It emits upto 10 Million Negative Ions that kills 99.9% of viruses & bacteria, and removes dust particles like PM2.5, PM10, etc and makes air cleaner to breathe . It provides relief from allergies, cough & cold. ????|3-LAYER FILTRATION| It comes with 3-layer filtration- Pre, HEPA13 & activated carbon which can remove up to 125 harmful pollutants and exhaust gases. The device will remind you in case the filter needs to be changed. ????|Qubo Car Air Purifier comes with 3 modes of air purification depending on the AQI. Blue- Air quality is good; Yellow- Air quality is medium; Red- Air quality is bad. ????|NO BATTERIES , 100% SAFE TO USE| Many car air purifiers come with built-in batteries which expose the car to the risk of fire. Qubo Air Purifier has no battery inside which means that the product is safer to use even at higher temperatures. ????|PORTABLE AND COMPACT| Tumbler design fits steadily in any car cup holder. Compact size makes it convenient to use in the bedroom and office ????|RELIEF FROM SEASONAL ALLERGIES| Perfect for those who suffer from allergies, stuffiness, cough, sneezing. The quality of air in your car is extremely important for you and your family. ????|AFTER SALES SUPPORT| We offer 1-year limited warranty. In case you face an issue, please contact us before leaving any review. Authentic Qubo replacement filter is also available for purchase. Call us at 1800-572-5757