Lonezeray PM2.5 automotive air conditioning filter products can effectively filter dust particles in the range of 2.5um and below. The filtration efficiency for 0.3um particles is over 85%, and the filtration efficiency for 2.5um particles is over 95%. Lonezeray PM1 automotive air conditioning filter products can effectively filter dust particles in the range of 1um and below. The filtration efficiency for 0.3um particles is over 90%, and the filtration efficiency for 1.0um particles is over 95%. Lonezeray CN95 automotive air conditioning filter products are suitable for 0.3um particles with a filtration efficiency of more than 95%, and for 1.0um particles with a filtration efficiency of more than 98%, seeing low resistance. For Lonezeray PM2.5/PM1/CN95 activated carbon automotive air conditioning filter products, in addition to the above particle filtration functions, it also achieves higher adsorption efficiency and adsorption capacity for alkanes, benzene, and sulfur dioxide. Lonezeray HEPA automotive air conditioning filter, through pure physical interception, are suitable for 0.3um and above particles with a filtration efficiency of more than 99.5%.