The Aqua-Prep Wall Cleaner is an ultra-high pressure surface preparation tool can be used either with or without the 360-degree vacuum swivel and removal tube to keep effluent from the job area. Its 7.5" cleaning path makes swift work of most surface preparation jobs, using very little water. It features adjustable cleaning heights. It weighs only 39 pounds and is used with a tool balancer system. Dual trigger operation assures safety.