Perfect Fit: DCV5011H HEPA filter compatible with DCV501HB 20V cordless handheld vacuum. (Please check your model carefully.) HEPA Filtration: 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: DCV501HB filters feature a foam ring gasket for excellent sealing and prevent dust leakage. The included foam pre-filter helps keep larger debris from clogging the main filter. Easy Cleaning & Washable: Filter material is washable and reusable for continued effective filtration. 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. Note: Light reflection and differences in display screens may cause slight color variations between the product image and the actual item. Measurement may vary by +/- 1-3 cm.