Using high-quality materials, durable. It can filter all dust particles and help you and your family breathe. The air is free of allergens, dust, dirt and pet dander particles. To protect the vacuum cleaner's cleaning performance and reduce dust, pollen and other allergens in the air Suitable for WD2.250 WD2250 A2004 A2054 MV2 WD2 vacuum cleaners. Specification Type: Dust Bag Dust Bag: 240 x 210 mm (approx.) Hole Diameter: 38 mm (inner) 60 mm (outer) Filter: 115 x 120 mm Hole Diameter: 80 mm • Made of environmental protection material Compatible Model: For Vacuum Cleaner WD2.250/A2004/A2054/A2204/A2656 (Note: Other WD2/WV2 models, you may need to adjust the inner diameter of the hepa filter yourself) Note: Make sure this fits by entering your model number. Depending on your household, it is recommended to replace your parts every 3 to 6 months. Regularly replacing your parts keeps your machine running at peak efficiency. Material: Filter paper Color: Yellow Package Contents: 2 x