The DNA air filter for the Ford Focus IV is a high-flow filter that fits in the factory airbox. It is washable and reusable, and is designed to increase horsepower and acceleration while providing filtration.
- Type: High-flow air filter
- Compatibility: Ford Focus IV 1.5 EcoBlue (2018–2024)
- Installation: In the factory airbox
- Washable: Yes
- Reusable: Yes