HPC UNDERCARRIAGE SURFACE CLEANERAre you fleet washing? Cleaning vehicle undercarriages? Consider this undercarriage cleaner from HP Components. This easy to use and maneuver unit includes 3 nozzles set low to the ground for low clearance vehicle undercarriages. This unit uses a trombone value to open and close the flow of chemicals as needed. In the pictures below, please note the blue valve and the 2 different positions. 3 OPTIONAL extender lances that allow the user the ability to