Femota Tested MERV 13 Cabin Air Filter with Activated Carbon, CF10371 for Cadillac CTS (2003-2013), SRX (2004-2009), STS (2005-2011), Replace: #19130403.

Four Layers: made of Four layers filtration materials included MERV 13 filter media and premium activated carbon. More than 99% Average Arrestance: with ASHRAE52.2:2017 10.8 test method, this filter offers more than 99% Average Arrestance, it can provide clean and fresh air for the carriage. MERV 13 Filter Media: made of tested MERV 13 filter media (ASHRAE52.2:2017 12), offers a superior balance between filtration and air flux, detailed test report included in the package. Compatible List: Cadillac CTS (2003-2013), SRX (2004-2009), STS (2005-2011). Easy Installation: provides the same exact size as OEM, it can be easily installed and it is important to check the airflow direction markings during installation. Replace on Time: cabin air filter is kind of consumable as dust and dirt will accumulate on the inlet surface, please replace every 12 months, 12,000 miles or follow the manufacturer's requirement