The Premium Guard PC9938 is a cabin air filter designed for vehicles to help improve the air quality inside the car by filtering out dust, pollen, and other airborne particles. Measuring 6.97 inches in length and width, this cabin air filter is a high-quality product from Premium Guard, known for producing reliable automotive filters. It is designed to fit specific vehicle models and provide clean and fresh air inside the vehicle's cabin, creating a more comfortable driving experience for passengers.