Bosch Automotive P3857WS Workshop Cabin Air Filter

Features

• Bosch 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 Layer - Non-woven cover layers add stability to protect the microfiber layer from damage and acts as an additional barrier to harmful elements
• High pleat count provides greater surface area for higher filtration capacity; Foam perimeter gasket or rigid frame included where specified by OE