Creating a car air filter involves several steps, including selecting materials, cutting, assembling, and testing. Here's a simplified procedure:### Materials Needed- **Filter media**: Typically, this is a pleated paper or synthetic material that traps dust and debris.- **Frame**: Usually made of plastic or metal to hold the filter media in place.- **Adhesive**: To bond the filter media to the frame.- **Tools**: Scissors, cutting mat, ruler, and adhesive applicator.