An ACDelco GM Original Equipment Cabin Air Filter is a GM-recommended replacement for your vehicle's original component. It helps keep pollen and other materials from reaching the inside of the vehicle through the fresh air inlet. High quality filtration media helps trap most airborne allergens and particles before they reach the vehicle's ventilation system. The cabin air filter helps keep bacteria and mold from growing inside your vehicle's ventilation system, helping to reduce vehicle odor. This filter requires a retrofit kit for initial installation, which is sold separately. This original equipment cabin air filter has been manufactured to fit your specific GM vehicle, providing the same performance, durability, and service life you expect from General Motors. Product Features:Requires a retrofit kit for initial installation, which is sold separatelyUses electrostatic multi-layer inserts and can trap up-to 95 percent of dirt, dust, pollen and other unwanted pollutants (down to 10 microns in size) from outside air that is pulled into the vehicle through the fresh air inletHas a layered construction that creates 'separated' media in order to help contain dust and pollen particlesSegmented design to allow for installation in tight spacesGM-recommended replacement part for your GM vehicle's original factory componentOffering the quality, reliability, and durability of GM OEManufactured to GM OE specification for fit, form, and function