Compatible Model: the dust bag filter accessory set suitable for WD2 Plus, WD3, WD 3 P, WD 3 Battery, WD 3 Premium, MV3, WD3.200 - WD3.800 M, SE4001, SE4002 Wet Dry Vacuum Cleaner (Please confirm your vacuum cleaner model before purchase!) Package includes: 10 x vacuum cleaner bags and 1 x HEPA filter. Part number: KFI 357 (2.863-314.0) and KFI 3310 (6.959-130.0) The vacuum cleaner bag is made of high-quality non-woven fabric and plastic, which can effectively filter most of the dirt and dust particles in the air without affecting the suction power of the vacuum cleaner. The flat filter is made of high-quality HEPA material, which improves the suction power of the vacuum cleaner on pet hair, pollen, dust , large dust particles, etc. and ensures a clean environment. Maintenance: Depending on the frequency of use, we recommend replacing the dust bag every 2-3 months and the filter every 2-5 months to maintain the strong suction power of the vacuum cleaner. Snap-in, easy to change, no tools required. Colour:As Shown Material:Plastic Package Contents: 1 * Filter 10 * dust bag Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.