https://www.mccoys.com/shop/p/5355961-052303-19/blackdecker-bsvf1-replacement-filter
Black+Decker Replacement Filter, Suitable for: BSV2020, BSV2020P POWERSERIES Extreme Cordless Stick Vacuum Cleaners
Suitable for
BSV2020, BSV2020P POWERSERIES Extreme Cordless Stick Vacuum Cleaners