Style:Hepa Cabin Air Filter, Bosch HEPA Cabin Air Filters provide your vehicle with the ultimate in clean, fresh, odor-free air for you and your family. Without adding formulated chemical odor neutralizer, Bosch HEPA cabin filters provide true clean air to enhance respiratory health. Melt-blown electrostatic layer and very dense media provides greater trapping ability. An additional static cotton layer added to HEPA Media provides higher capacity filtration capabilities. Structural ribs incorporated into design provide increase stability of filter, ensuring it retains its shape and flow characteristics. Product comes with multi colors (blue and white). Designed to meet High Efficiency Particulate Air (HEPA) standards based on standard ASTM D2986, Bosch Cabin Air Filters provide filtration efficiency of 99. 97% at 0. 3 microns.