[Efficient filter compatible your cordless vacuum cleaner]- This filter is designed compatible BLACK+DECKER 20V MAX POWERCONNECT Handheld Vacuum Models compatible BCHV001CIt efficiently filters fine dust, pollen, , and dandruff, ensuring a cleaner and healthier environment. [Optimal filter per compatiblemance]- To maintain optimal per compatiblemance, it is recommended to replace the filter every 2-3 months. This ensures that pollen, smoke, spores, and other small particles are effectively removed from the air, providing fresh and clean air compatible you and your family. [Compatible and convenient]- This filter is compatible BLACK+DECKER Dust Collector 20V MAX POWERCONNECT Cordless Hand Vacuum Cleaner Models BCHV001C1, BCHV001D1, and BCHV001B. : Material:ABS Package Contents: 4 x Cleaner 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 the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.