[Perfect compatibility]: accessories are only compatible with for K17 wireless vacuum cleaner. You need to check the type of vacuum to that products are suitable for vacuum. [Do whatever you ]: kit includes 4 HEPA filters, 4 filters, 1 cleaning brush, which can help you avoid the annoying process of choosing other accessories, and more importantly, cost is cheaper than buying a single accessory. [Better quality and filtration performance]: The filter has a filtration performance of up to 99.97%, which can filter out hair, dust, food, etc. We recommend to update the filter 2-3 months according to the usage to maintain the working performance of the vacuum cleaner. [Easy to use and install]: accessories are suitable for your vacuum cleaner, so it is easy to use, while avoiding the complicated installation process. Material:Filter paper+mesh cloth colour:Black+white Package Contents: 4 * HEPA filter 4 * filter 1 * cleaning brush Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.