Bissell Style 2 HB SB Upright with Obt Except 3550 Belt (Pack of 2) This is an O.E.M. Authorized part Fits various Bissell models Oem part number 32015 This is a Bissell replacement part Part Number 32015 This is an O.E.M. part Includes 2 belts For use with BISSELL Vacuums Works with Model #s: BISSELL Micro-Lock Series, BISSELL Soft Body Upright Vacuum, BISSELL Soft Body PowerPartner Upright Vacuum, BISSELL Hard Body PowerGroom Upright Vacuum When do I replace the belt? If the vacuum is not cleaning as well as it had before or the brush roll has stopped turning, you may have to change the belt. To change the belt, please refer to your models user guide for installation instructions. Product Built to North American Electrical Standards