BD310 Emer Leonardo Wet/Dry Commercial Vacuum. All Emer commercial vacuum cleaners come with a two-year motor warranty. They are a perfect solution for both dry and wet vacuum applications for the industrial or office workplace. The ""dry"" commercial units have extraordinarily powerful motors and capacity. The ""wet"" vacuums are perfect for water spills in garages and basements. No other commercial vacuum offers such power and flexibility for such a reasonable cost. Wet/Day Commercial Vacuum.