Fit Model: DCV501HB filter is suitable for 20V handheld vacuum cleaner. (Not suitable for DCV580 and DCV581, please check the filter model you need first) Main Function: DCV5011H filter can capture 99.97% of all particles, dust, wood chips, small particles, fine powder and sawdust. Easy to Use: Our DCV501HB filters do not need other tools, easy to replace with those for DCV501HB vacuum cleaner. Recommended: To have a better experience, we recommend replacing the DCV5011H HEPA filters every 3 months for better performance. Part Number: DCV5011H Please note; The physical color difference or difference does not affect the use, please don't worry! Material: Plastic Color: White+Black Package Contents: 4 x DCV501HB Replacement Filters 10 x Foam Filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.