The Genuine Karcher Flat-Pleated Filter is designed specifically for models MV 4, 5, and 6. Made by the trusted brand Karcher in Germany, this filter is compatible with WD4 WD5 WD6 and MV4 MV5 MV6 models. This pack includes 1 filter and is essential for maintaining the efficiency and performance of your vacuum cleaner. Keep your home clean and healthy with this high-quality Karcher filter.