Dustless 4-7 Gal Wunderbag; Micro Prefilter, 2 Pk

Universal opening fits most major brands of 4–7 gallon shop-type vacuums to add superior filtration. Sealable cap locks securely in place, keeping particles contained for safe disposal. Filters to 0.5 microns for airborne particles, water, and slurry. Capable of holding 15 pounds of wet or dry debris. Flexible gasket easily accepts vacuum ports ranging from 2 to 2 3/4 inches in diameter. Retains its strength and filtration while vacuuming water and slurry. Sealable cap compliant "first layer of containment" for hazardous dust, put in trash bag and dispose.