[High Efficient Filtering]DCV5011H vacuum filter is made of pleated filter paper, works for 99.97% of particles as small as 0.3 Micrometre such as dust, dirt, wood chip, small particles, fine powder, and sawdust; folding filter paper provides a larger area to improve airflow. [Value Package]Our DCV5011H Filter Made of Premium Materials. Include 6pack DCV5011H hepa vacuum filter, 12 pack foam sleeve filters & 3 brush. []DCV5011H hepa filter compatible with for DCV501HB 20V Cordless Handheld Vacuum Cleaner, Compared part # DCV5011H. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! [Washable & Reusable]The Filters are washable and reusable, the filter is washable and reusable, and it can be easily cleaned. To maintain the best performance of your vacuum cleaner, it is recommended to change the dcv501hb filter every 3-6 months