The Cobra 7 Power Brush System is professional air duct cleaning equipment designed for contractors who need reliable performance. Featuring adjustable speeds, a 33-foot flexible cable, and a self-adjusting brush with wireless remote control, it makes duct and dryer vent cleaning faster, safer, and more efficient. Built for residential and light commercial jobs, the Cobra 7 delivers precision cleaning for ducts from 4” to 18” (optional up to 36”).