3M™ Dust Extractor Filter Bag, 33648, captures dirt and dust collected by the 3M™ Clean Sanding System. Designed to maximize the dust collection capacity of both 30-liter and 45-liter models of 3M™ Dust Extractors. The bags are built from a tough but flexible non-woven plastic material. The easy close plastic closure cap helps prevent leakage during disposal. Five bags per package.