The DustFX replacement HEPA filter fits the newer model CWI-DCP020H cyclone dust collectors with a flange mount as well as other similar built cyclones. The advanced performance HEPA filtration will filter out 99.97% of dust particles .3  micron and 100% of all dust particles .5 micron and larger. To clean the canister filter simply move the cleaning handle a few rotations upon completion of each use.