The Cabin Air Filter with Activated Carbon by kurimup is designed as a replacement for CF11811, specifically fitting for Mazda 3 vehicles. This product is compatible with Mazda HVAC systems and is made of durable polyester material. The filter has dimensions of 8.2" x 8.9" x 1" and weighs 0.46 pounds. With its new product grade, this activated carbon filter is an essential component for maintaining clean and fresh air in your Mazda 3 cabin.