Powerjet spinning reverse ball

Powerjet spinning reverse ball - Includes Ballvalve for safety
With spinning ball. (Spinning skipper reverse ball*) 
Best equipment for ducts dryers cleaning or Flexible duct!
 
length : 25' ,  30' or 50' 

Preventive maintenance: You must spray WD-40 on the bearing after each use to increase the life of the rotary nozzle
 
*Reverse = Pull dust towards the technician