Activated Charcoal Workshop Cabin Air Filter - Compatible With Select Audi Q7; Porsche Cayenne; Volkswagen Touareg - Bosch C3861WS

• UPC   028851711975
• Bosch Carbon Activated Workshop Cabin Air Filters feature a multi-layer media that offers an 80 percent efficiency rate at 3 microns or greater in keeping dirt, dust, and other particles from entering vehicle heating and air vents 1st Layer - Non-woven pre-filter layer captures larger particles 2nd Layer - Electrostatically charged microfiber layer attracts and holds elusive smaller particles 3rd & 4th Layers - Non-woven cover layers add stability to protect the microfiber layer from damage and acts as an additional barrier to harmful elements 5th Layer - Activated charcoal layer absorbs toxic and foul-smelling gases such as ozone, nitrogen oxide, sulfur dioxide and hydrocarbons