4 belts compatible with Biss-ell Styles 7, 9, 10, 12, 14, 16 PN 2031093, 3031123, 3031120, 32074, 203-1093. Compatible with Bis-sell Vacuum Models: Velocity Series, PowerTrak Cyclonic, Momentum Series, PowerGlide Series, All CleanView Series, All PowerForce Series, Pet Hair Eraser.