Description Air Filter Cover Grand Prix When riding on difficult terrain (dust or sand), you can protect your engine even more with the Twin Air filter. Made of an envelope of aerated and oiled foam for greater efficiency, this filter means you clean it less often This item fits to following bikes. Triumph TF 250-E 2026 Triumph TF 250-X 2024-2026 Triumph TF 450-E 2026 Triumph TF 450-RC 2025-2026 Triumph TF 450-X 2026