Product Description PERFECTLY COMPATIBLE: This product is fully compatible with the models MV 4, MV 5, MV 6, 2.863-005.0 and WD 4/WD 4 Premium, WD 5/WD 5 P/WD 5 Premium/WD 5 P Premium, WD 6 P Premium. HIGH QUALITY: The quality of our hoe spare parts is equal to or superior to that of the original spare parts. Our products are rigorously tested for compatibility and durability. Our vacuum cleaner parts are made of extremely durable and environmentally friendly materials, which can be washed and reused multiple times. High efficiency filter: The H12 Hepa filter is extremely efficient and removes 99% of dust, hair, small debris and particles up to 0.3 µm (= 0.00003 mm). It can be replaced in seconds without coming into contact with dirt. For optimal performance, especially in homes with children, pets or smokers, we recommend changing the filter every 3 months. Versatility: Our filters are suitable for both indoor and outdoor use, for dry and wet cleaning and do not need to be changed