Antibacterial and antiviral series products, using advanced antibacterial and antiviral new material research results, have been successfully applied to the in-depth comprehensive purification of indoor solid pollutants and microorganisms. The products are characterized by high efficiency, high antibacterial and antiviral effects, and no odor. Upon release, they quickly captured the market and became the new favorite of filtration. Air purifiers for high-speed rail air purification, hospital operating rooms/CU and other air purification, biological laboratories and other air purification, subway and large shopping malls and other air purification. High-efficiency dust removal and antibacterial antiviral materials combined with high-efficiency filter materials can efficiently remove PM2.5 from the space; high-efficiency pollen filtration – efficiently removes pollen, pollen filtration efficiency 99%; antibacterial and antiviral – antibacterial efficiency 99%, antiviral efficiency 99%; no odor – no odor before or after use. Specifications: Technical parameters: Pollen filtration efficiency ≥99%, inhibition rate of Escherichia coli, Staphylococcus aureus ≥99%, antiviral activity rate against influenza A virus (H1N1) ≥99%, antiviral activity rate against enterovirus (EV71) ≥99%, antiviral activity rate against coronavirus (HCoV-229E) ≥99%.