TECHTONGDA 110V/220V Portable Air Duct Cleaning Machine for Pipe Diameter 1.97"-39.37", Max Sweeping Length 98ft/time, Duct Pipe Cleaning Equipment with Rotary Brush, Industrial Air Vent Cleaner

Product ParametersVoltage: 220V Single-phase electricity(With 110V transformer)Power: 550WRotating speed: 0-1400r/minLength of flexible shaft: 49.21ft/15mApplicable pipeline diameter: 1.97-39.37inch(50-1000mm)Brush: 4 pcs (11.81in/300mm, 15.75in/400mm, 23.62in/600mm and 31.5in/800mm)Size of main machine: 26.5x41x26cm (10.4x16.1x10.2 inches)Operation Method1. Remove all the strapping strips on the flexible shaft, fully stretch the flexible shaft and then connect one end of the flexible shaft to the main machine.2. Connect a cleaning brush with the appropriate size to the other end of the flexible shaft and fix them with screws.3. Connect the power cord to the main machine, turn on the power to start the machine, select the manual/remote control mode, adjust the rotating speed, and select the forward/reverse rotation.4. In case of emergency, please press the emergency stop switch to power off the machine emergently.Item Number (022836): 1 x Portable Air Duct Cleaning Machine 220V/110V

• Dual-Direction Rotation Brush System: The 49.21ft/15m flexible shaft enables cleaning over a distance of up to 98ft in a single pass. Air vent cleaning machine features forward and reverse rotation modes to ensure thorough cleaning without dead corners, enhancing cleaning effectiveness.
• Versatile Brush Set: The duct pipe cleaner comes with four different - sized brushes, measuring 11.81in, 15.75in, 23.62in and 31.5in. This variety of brush sizes allows for optimal cleaning performance across the wide range of pipe diameters the machine can handle.
• User Friendly Design: The portable air duct cleaning machine operates on a 220V power supply. However, it also comes with a 110V transformer, providing flexibility in power sources. It is relatively small in size and light in weight, making it easy for a single person to move and operate.
• Handheld Electric Brush: Utilizes a high-speed rotating bristle brush (adjustable speed from 0-1,400 RPM) to scour the inner walls of air ducts, effectively dislodging and removing accumulated dust for a thorough clean.
• Extensive Pipe Compatibility: Cleans pipelines from 1.97inch to 39.37inch in diameter, ideal for circular and rectangular ducts in hospitals, schools, and industrial ventilation systems.