Hoover Light Weight Commercial Upright Vacuum Round Belts 5 Pk Part # 044783AG Hoover Light Weight Commercial Upright Vacuum Round Belts 5 Pk Fits Models C1433010, C1433-010, C1633, CH50020, EH50500. Genuine Part # 044783AG, 044783, 40201062. Replace your belts every 3 to 6 months.