Auto/Car Air Filter Replcement 1) ISO factory,RoHS compliant 2) Safety: non-toxic, harmless, no sensitive reaction Auto/Car Air Filter Replcement 1.efficiency:99.7% 2.high dust holding abiltiy 3.acidproof and anti-corrosionauto air filter description:The efficiency of this kind of auto air filter can up to 99.97% at removing particles as small as 0.3 microns.The materials we use Could be ...