High Compatibility and Applicability: This three-piece filter plate set is specially designed for Kärcher MV4, MV5, MV6, WD4, WD5, WD6 and other wet and dry vacuum cleaner series. It is perfectly suited to model 2.863-005.0, ensuring all types of vacuum cleaners. Cleaners can achieve the best performance. High-efficiency HEPA filtration function: The filter plate uses HEPA filtration technology to provide a powerful filtration function, which can effectively clean cabinets, carpets, stairs, etc., while filtering pollutants such as dust, pet hair, and pollen in the air. Easy and tool-free installation: The filter plate installation process does not require any tools. It is installed via the vacuum cleaner's hinged filter chamber, which avoids contact with dust and is both safe and environmentally friendly. Protect the machine and extend its service life: Use these filter panels to protect your vacuum cleaner and extend its service life. When it's time to clean, simply tap or use an