TV Direct Cuts drying time and increases dryer performance. Prolong dryer life and reduces the risk of dryer vent fire. 3-piece kit includes: 10" dryer vent duct brush reaches into the dryer vent duct to remove lint build up. 36" lint trap vent brush cleans the dryer. Kit Includes a 10" Dryer Vent Duct Brush, 36" Lint Trap Vent Brush, and Vacuum Hose Attachment. Cuts Drying time Increases Dryer Performance Prolongs Life of Dryer Reduces risk of Dryer Vent Fire Reaches in areas the lint catcher misses.