Feature●Double Layer Ash Vacuum Filter●2-Layer Filter System for Heat Resistance●Easy to Clean, Washable●High Grade Non-Woven Fabric for Inside Layer●Specially Designed to Filter Fine Dust and Ash●CALIFORNIA PROPOSITION 65 WARNING: Cancer and Reproduction HarmDescription Fire-resistant filter system traps finest dust and ash. It works with PowerSmith Ash Vacuum PAVC101 and PAVC201.