Specially DesignedThe post-motor HEPA filters are specially developed to replace Dyson part no. 970013-02 for Dyson V15 Detect, V11, Dyson V11 SV14 Torque Drive and Dyson V11 Animal vacuum cleaners. The installation method is the same as the original one, very easy to install and use. Great Value PackageThis package will include 3 high quality post-motor filters and 1 brush as a gift. It is a cost-effective choice to complement the filters of your Dyson vacuum cleaner. Latest Upgraded HEPA FiltersThe latest version filter has stronger capabilities to block up to 99.9% of dirt, pollen, small dust particles and substances in the air, allowing your family to enjoy a cleaner environment and air in the home. Premium MaterialsThe filter is made of premium double-layer HEPA materials, which can effectively filter fine dust, dirt, etc. and prevent large particles from entering the motor, then protect the host motor and extend the life of the vacuum cleaner. cleaner. Washable and reusable The filter can be washed and reused. It is recommended to clean the filter once a month and then reinstall it after it has dried for 24 hours. For the health of human body and longer life of the vacuum cleaner, please replace the filter every 3-4 months. For families with pets, it is recommended to shorten the replacement time to avoid secondary pollution.