A 4 wheeler drive vehicle mounted actuator with a rotating abrasive brush is used for cleaning the ventilation ducts. The vehicle can be operated remotely from 100 feet. Cameras are mounted on the front rear part of the vehicle for monitoring purposes .The vehicle also has a misting arrangement for spraying the chemical used for cleaning the ducts. For more details you can write to [email protected] or call on +91 75880 70696 or visit here https://www.puremachinedesign.com/