[Perfect Compatibility]Compatible with for vacs 5-20 gallon vacuums & Compared to Part Number: for VF4000. Please be noted that: This is not an product. [ Package]3 pieces of premium HEPA filters included. A cost-effective choice to supplement the replacement HEPA filters for your wet dry vacuum. It is recommended to replace the filter every 2-3 months to a healthy air environment or pets. [Reusable & Easy Installation] Washable, can be reused after drying. [Premium Materials]Our filter is made of high-quality materials, adopts advanced low energy consumption and low density structure technology, and has lower wind resistance, thus ensuring the highest filtration efficiency and the lowest energy consumption, while extending the service life of the vacuum. All the materials used for the filters are environmentally friendly and not have any pollution to the environment. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Photo Color Material:Plastic Package Contents: 3x HEPA filters 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.