Metabo Fleece Filter Bags are better and easier to open out than paper ones.Well suited for applications where small amounts of fine dust are generated (e.g. grinding and removal of paint and lacquer coatings or short drilling jobs with small diameters) .Ideal for use with wood processing machines, such as routers, planer thicknessers, small random orbital sanders, etc.Suitable for: AS 20 L PC/AS 20 M PC/ASA 25 L PC/ASA 30 L PC/ASA 30 M PC.