1. Perfect Fit: The 49 90 1950 filter accessories are perfectly designed to fit for M12 0850 20 vacuum cleaners, maintaining optimal performance and filtration efficiency. 2. Effective Filtration: The vacuum cleaner filter is designed to effectively filter small particles such as sawdust, dry wall dust, dirt, and other debris commonly found in workshops, garages, and basements. 3. Washable: You can easily clean this vacuum cleaner filter using a nylon brush. This extends the usefulness of the filter and saves you effort on replacement filters. 4. Easy to Use: The vacuum cleaner filters are easy to install, simply remove the existing filter and replace it with the new one. No additional tools or skills are required. 5. Daily Maintenance: To prolong the lifespan of your vacuum cleaner, regular replacement of the accessories is recommended for better cleaning performance. This filter kit to meet your daily replacement needs. Spec: Item Type: Vacuum Cleaner Filter NO. Number: 49 90 1950 Application: Suitable for M12 0850 20 Material: plastic colour: white Package Contents: 4 x filters 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.