SEBO DUO DRY POWDER BRUSH MACHINE The SEBO Duo Dry Powder Brush Machine used with SEBO’s Duo-P carpet cleaning powder make the perfect team for tough cleaning jobs. As a spot cleaner, or for deep cleaning your entire carpet, the SEBO Duo-P dry-cleaning system works beautifully. Remove tough stains, add a hygienic freshness . . . and an added advantage is that once applied, Duo-P's built-in fiber protector will help to protect against future damage from soiling or staining. The SEBO Duo-P dry-cleaning system benefits allergy and asthma sufferers by eliminating allergens caused by dust mites. In fact, in a long-term study performed by the German Association for Allergy Research (GAF), it was shown that 6 months after a single treatment of Duo-P, 7 out of 10 carpets proved to be free of dust mite allergens.