Deerma HEPA støvsugerfilter DEM-T20W/T30WDeerma HEPA vacuum cleaner filter DEM T20W T30W. The Deerma DEM T20W T30W HEPA filter is a high quality filter that ensures effective retention of fine dust particles, allergens and other pollutants during vacuuming. With its advanced filtration technology, it improves the air quality in the home, reducing the risk of secondary contamination. Designed specifically for Deerma DEM T20W and T30W vacuum cleaner models, the filter is easy to install,