2PK Designed To Fit Belts Bundled With Bettervac Use & Care Guide Replace Belt Every 6 Months For Best Results Guaranteed To Fit Models Listed Below Black+Decker Airswivel Ultra Light Weight Models - BDASL101, BDASL102, BDASL103, BDASL201, BDASL202, BDASL203, BDASV101, BDASV102, BDASV103, BDASV104, BDASV105 And BDASV106 Replaces OEM #12675000002729 Vacuum Belt - Always unplug your vacuum before you start. Replace your belt every 3-6 months for best results. Make sure your roller is spinning freely. Remove any debris on the roller. The belt will smaller then the one your taking off ( Yours is stretched from using ). After installing the belt spin the roller to align the belt. Now your ready to clean.