Perfect Fit: DCV5011H HEPA filter compatible with DCV501HB 20V cordless handheld vacuum. (Please check your model carefully.) HEPA Filtration: The DCV5011H filter is made of pleated filter paper and traps 99.97% of dust particles as small as 0.3 micrometers. The folded design provides a larger surface area for improved airflow. Additional Foam Pre-Filter: Features a foam ring gasket for excellent sealing and prevents dust leakage. The foam pre-filter helps keep larger debris from clogging the main filter. Easy Cleaning & Washable: Filter material is washable and reusable for continued optimal performance. Rinse with water and allow it to air dry completely before reinstalling. Color: As shown Material: Plastic Package Contents: 4 x DCV5011H HEPA Filter 8 x Foam Sleeve Filters 1 x Brush Note: Only the items listed above are included. Other products are not included. Light reflection and differences in display screens may cause slight variations in color compared to the actual item. Measurement allows an error of +/- 1-3 cm.