[Perfect compatibility]: accessories are only compatible with for K17 wireless vacuum cleaner. You need to check the type of vacuum to that 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 clothcolour:Black+whitePackage Contents:4 * HEPA filter4 * filter1 * cleaning brushOnly the above package content, other are not included.Note: Light and different displays may cause the color of the item in the a little different from the real . The measurement allowed is +/- 1-3cm.