Works With – All Models: BSV* – BSV2020, BSV2020P, BSV2020G. Washable replacement filter for POWERSERIES EXTREME Cordless Stick Vacuum. Care Instructions: 1. Wash the ?lters regularly using warm, soapy water 2. It is very important that the ?lters are completely dry before (24 hours). For optimal performance, replace the ?lter every 6-9 months and whenever worn or damaged.