This Nispira filter is perfect for keeping your vacuums performing at their best. Our filter uses advanced technology to capture pet hair and promoting cleaner air and a healthier home. Changing your filters regularly helps your vacuum work more efficiently by maintaining suction power. This reusable filter simply rinses clean under running water and air dries, saving money versus replacing disposable filters. Compatible with Black & Decker Smartech Pet 2-in-1 Stick Vacuum, our filters are tailored for pet owners seeking effective filtration and cleaner indoor air quality. At approximately 2.9'' x 2.9''x 3.1'' inches, it fits neatly inside your vacuum and doesn't require any tools to swap out a used filter.