Product Description PERFECTLY COMPATIBLE: This product is fully compatible with 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 models. HIGH QUALITY: The quality of our hoe parts is equal to or higher than the original parts. Our products are rigorously tested for compatibility and durability. Our vacuum cleaner parts are made of highly durable and environmentally friendly materials that can be washed and reused multiple times. High-efficiency filter: The H12 Hepa filter is extremely efficient and removes 99% of dust, hair, small deposits 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, dry and wet cleaning, and there is no need to change the filter frequently. This