The Knecht air filter is a filter element with a foam and hardened foam sealing material. It is 250 mm long, 150 mm wide, and 37.7 mm high.
- Filter type: Filter element
- Sealing material: Foam and hardened foam
- Length: 250 mm
- Width: 150 mm
- Height: 37.7 mm
- Net weight: 187 g
- Compatibility: Mazda 323, Mazda MX-3, Mazda MX-5, Chevrolet S-10