[Wide Compatibility]: Compatible with for 49-90-1900 filter, and M12 Wet Dry vacuums, 0880-20, 0970-20, 0960-20, 0780-20 (Note: NOT fit for Compact vacuum 0882-20). [HEPA Vacuum Filter] : The Vacuum Filter for are at sucking up fine dust. Which can Capture 99.97% of particles as small as 0.3 microns. Crafted with compact pleats to increase filtration area. Effectively removing wood dust, construction debris, and dirt. [Additional Foam Pre-Filter]: The Foam Pre-Filter can traps larger dust, debris, and airborne particles before they reach the , improving overall filtration efficiency.Keep the vacuum clean and reduce dust clogging, thus well-protect the vacuum motor. [Multiple Filtration]: Adding 6 foam pre-filters prevent large particles from blocking the , boosting its efficiency. It keeps the vacuum cleaner dust-free and minimizes clogging. [Reusable and Easy to Install]: Designed with materials,this vacuum filter can be Cleaned with Brush and Reused after Drying. It works for 4-6