air filter 1. air purifier hepa filter, fresh air filter, car air purifier 2. dispel smoke & PM2.5, kill virus 3. CE,RoHS,Fcc 1. About our air purifier. Our ... After-sales service. There are two alternatives of after-sales for your chosen: a). Within one year, we offer repairing ... order. b). When making delivery, we offer more 2% products for quality assurance. 11. Certificates: CE, RoHS, FCC. 12. Our ...