The Guzzcavator from Guzzler Manufacturing has an air filtration system with 60 Dacron filter bags (70-inch) for wet/dry industrial cleaning. Designed for cleaning and recovering solids and dry bulk powders, liquids, slurries and thick sludge, the truck can also be used for potholing, slot trenching, water valve box repair as well as locating fiber optic lines, cable and other utilities. Its 1,300-gallon stainless steel water tank provides up to seven hours of continuous operation and removes debris by delivering up to 20 gpm of water and 2,500 psi when hydroexcavating. The multi-flow water pump provides water pressure adjustment with the push of a button for various digging conditions. It has a full-opening rear door and rear-door-mounted sludge pump for off-loading. 800/627-3171; www.guzzler.com