VEHICLE APPLICATIONS: 2005-2006 Kia Optima; 2001-2006 Hyundai Santa Fe; 1999-2005 Hyundai Sonata; 2001 Hyundai XG300; 2002-2005 Hyundai XG350; 2000-2004 Hyundai Trajet 2.0i (FO) FILTER CROSS REFERENCES: Bosch P3790WS; Hyundai 97619-38000; Premium Guard PC5675; Purolator C35675 EASY INSTALL: This cabin air filter is located behind the glove box and on average will only take 15 minutes to replace the old filter with a new filter. It is important to replace your cabin air filter periodically to help keep the air in your vehicle clean. During extreme weather and heat, the HVAC system has to work harder and a clean cabin air filter is essential in helping your HVAC system run more efficiently. FRAM Fresh Breeze cabin air filters are the only cabin air filters built with Arm & Hammer baking soda combined with carbon embedded in the filter. Cabin air filters have proven to be essential as air quality can be severely affected by wildfire smoke, pollen, dirt, and other irritants. It is important to replace your cabin air filter periodically to help keep the air in your vehicle clean. This cabin air filter will help protect your vehicles heating and air conditioning unit while allowing for the most efficient air flow into the cabin of your vehicle. Please check the "Amazon Confirmed Fit" bar at the top of this page before buying product to ensure this product works for your vehicle. If the "Amazon Confirmed Fit" bar has an "i" in a blue circle, this product has additional notes. Please hover the "i" on the bar to see notes before marking your purchase.