SPM Dual Stage Air Filter for Yamaha YFB250U YFB250FW YFM350FW YFM350U YFM350ER YFM250 YFM400FW Replaces part number: 1YW-14451-00-00 Package including 1pc air filter + 1pc SPM branded wristband Arrival within 7-15 days (ships from and sold by SPM) If you received any package without our"SPM"branded wristband,you can ask the seller for all your money back